Portal:Mammals

• Cambridge Natural History Mammalia
• Allometric Scaling of the Active Hematopoietic Stem Cell Pool across Mammals
• "Mammalia," in Collier's New Encyclopedia, New York: P. F. Collier & Son Co. (1921)
• The Babyhood of Wild Beasts
• "Mammalia," in Encyclopædia Britannica (11th ed., 1911)
• "The Story of a Word - Mammal" in Popular Science Monthly, 61 (September 1902)
• Notes on a Private Collection of Living Mammals during 1900–02 in The Zoologist, Series 4, 6 (731) (1902)

• "On the Serial Homologies of the Articular Surfaces of the Mammalian Axis, Atlas, and Occipital Bone" by John Cleland in Natural History Review, Series 2, 1 (2) (1861), pp. 151–154

• An introduction to the mammals of Australia
• "The Physical Geography of the West Indies: Mammals I" in Popular Science Monthly, 54 (April 1899)
• The Technical Names of British Mammals in The Zoologist, Series 4, 2 (681) (1898)

Order (Ordo): Tubulidentata

• "Aard-vark," in Encyclopædia Britannica, Ninth Edition (1875–1889)
• "Aard-vark," in Encyclopædia Britannica (11th ed., 1911)
• "Aardvark," in The New Student's Reference Work, Chicago: F.E. Compton and Co. (1914)
• "Aardvark," in The Encyclopedia Americana, New York: The Encyclopedia Americana Corporation (1920)
• "Aard-vark," in Collier's New Encyclopedia, New York: P. F. Collier & Son Co. (1921)
• "The Aard-Vark or Earth-Hog" in Popular Science Monthly, 14 (March 1879)

Order (Ordo): Pilosa

• "Mylodon," in Encyclopædia Britannica (11th ed., 1911)

• "Anteater," in Encyclopædia Britannica (11th ed., 1911)
• "Ant-Eater," in The New Student's Reference Work, Chicago: F.E. Compton and Co. (1914)

• "Sloth," in Encyclopædia Britannica (11th ed., 1911)
• "Sloth," in The Encyclopedia Americana, New York: The Encyclopedia Americana Corporation (1920)
• "Kidnapping a Sloth" in Littell's Living Age, 133 (1722)

Order (Ordo): Cingulata

• "Armadillo," in Encyclopædia Britannica, Ninth Edition (1875–1889)
• "Armadillo," in Encyclopædia Britannica (11th ed., 1911)
• "Armadillo," in The New Student's Reference Work, Chicago: F.E. Compton and Co. (1914)
• "The Armadillo and its Oddities" in Popular Science Monthly, 47 (July 1895)
• "The Gigantic Extinct Armadillos and their Peculiarities, with a Restoration" in Popular Science Monthly, 13 (June 1878)
• Nine-Banded Armadillo

Order (Ordo): Chiroptera

• Echolocating Bats Cry Out Loud to Detect Their Prey
• "Bats and their Young" in Popular Science Monthly, 7 (October 1875)
• "What are Bats?" in Popular Science Monthly, 9 (September 1876)
• Oldham, Charles (1899) - 'Whiskered Bat (Myotis mystacinus) in captivity,' published in The Zoologist, 4th series, vol 3, issue 692, p. 49-53
• "Bat," in Encyclopædia Britannica (11th ed., 1911)
• "Chiroptera," in Encyclopædia Britannica (11th ed., 1911)
• "Flying-fox," in Encyclopædia Britannica (11th ed., 1911)
• "Vampire," in Encyclopædia Britannica (11th ed., 1911)

Family: Ursidae

• "Concerning Bears" in Popular Science Monthly, 6 (January 1875)
• "Bear," in The New International Encyclopædia, New York: Dodd, Mead and Co. (1905)
• "Bear," in Encyclopædia Britannica (11th ed., 1911)

Family: Canidae

• "Dog," in Encyclopædia Britannica (11th ed., 1911)

• "Fox," in The New International Encyclopædia, New York: Dodd, Mead and Co. (1905)
• "Fox", in Encyclopædia Britannica (1st ed., 1771)
• "Fox," in Encyclopædia Britannica (11th ed., 1911)
• "Fox," in The New Student's Reference Work, Chicago: F.E. Compton and Co. (1914)
• “Fox”, in The Encyclopedia Americana, New York, 1920
• "A Baby-Fox" in Popular Science Monthly, 5 (August 1874)
• "The Badger and the Fox" in Popular Science Monthly, 38 (April 1891)

• "Jackal," in Encyclopædia Britannica (11th ed., 1911)
• "Jackal," in The New Student's Reference Work, Chicago: F.E. Compton and Co. (1914)

• "Wolf," in Encyclopædia Britannica (11th ed., 1911)

Order (Ordo): Cetacea

• "On Correlations of Growth, with a Special Example from the Anatomy of a Porpoise" by George Rolleston in Natural History Review, Series 2, 1 (4) (1861), pp. 484–488
• "Porpoise," in Encyclopædia Britannica (11th ed., 1911)

• "Whales and their Neighbors" in Popular Science Monthly, 15 (June 1879)
• "Whales, Past and Present" in Popular Science Monthly, 27 (June 1885)
• "Whale-Catching at Point Barrow" in Popular Science Monthly, 38 (April 1891)
• "Whale," in Encyclopædia Britannica (11th ed., 1911)
• "Whale," in The New International Encyclopædia, New York: Dodd, Mead and Co. (1905)

Order (Ordo): Dermoptera

• "Colugo," in Encyclopædia Britannica (11th ed., 1911)
• "Galeopithecus," in Encyclopædia Britannica (11th ed., 1911)

Family: Felidae

• "The Cat" (1897), by Philip M. Rule
• "Caracal (animal)," in Encyclopædia Britannica (11th ed., 1911)
• "Cheeta," in Encyclopædia Britannica (11th ed., 1911)
• "Jaguar," in Encyclopædia Britannica (11th ed., 1911)
• "Lynx," in Encyclopædia Britannica (11th ed., 1911)
• "Machaerodus," in Encyclopædia Britannica (11th ed., 1911)
• "Serval," in Encyclopædia Britannica (11th ed., 1911)
• "Puma," in The New Student's Reference Work, Chicago: F.E. Compton and Co. (1914)

• "Opossums and their Young" in Popular Science Monthly, 8 (December 1875)
• "Natural History of the Kangaroo" in Popular Science Monthly, 8 (February 1876)
• "Marsupialia," in Encyclopædia Britannica (11th ed., 1911)

• "Bandicoot," in Encyclopædia Britannica (11th ed., 1911)

Superfamily: Herpestidae

• "Aard-wolf," in Collier's New Encyclopedia, New York: P. F. Collier & Son Co. (1921)
• "Aard-wolf," in Encyclopædia Britannica (11th ed., 1911)
• "Hyena," in Encyclopædia Britannica (11th ed., 1911)

• "Foussa," in Encyclopædia Britannica (11th ed., 1911)

• "Ichneumon," in Encyclopædia Britannica (11th ed., 1911)

• "Monotremata," in Encyclopædia Britannica (11th ed., 1911)

Superfamily: Musteloidea

• "Badger (animal)," in Encyclopædia Britannica (11th ed., 1911)
• "Badger," in Encyclopædia Britannica, Ninth Edition (1875–1889)
• "Badger," in The American Cyclopædia (1879)
• "Badger," in The New Student's Reference Work, Chicago: F.E. Compton and Co. (1914)
• "The Badger and the Fox" in Popular Science Monthly, 38 (April 1891)

• "Coati," in Encyclopædia Britannica (11th ed., 1911)
• "The Coati-Mondi and its Cousins" in Popular Science Monthly, 2 (December 1872)

• "Kinkajou," in Encyclopædia Britannica (11th ed., 1911)

• "Marten," in Encyclopædia Britannica (11th ed., 1911)

• "Mink," in Encyclopædia Britannica (11th ed., 1911)

• The Life Story of an Otter (1909) by John Coulson Tregarthen
• "Otter," in Encyclopædia Britannica (11th ed., 1911)

• "Raccoon," in Encyclopædia Britannica (11th ed., 1911)

• "Panda," in Encyclopædia Britannica (11th ed., 1911)

• "Skunk," in Encyclopædia Britannica (11th ed., 1911)

• "The Wicked Weasel" in Popular Science Monthly, 12 (April 1878)

• "Glutton," in Encyclopædia Britannica (11th ed., 1911)
• "On the Discovery of the Glutton (Gulo luscus) in Britain" by William Boyd Dawkins in Quarterly Journal of the Geological Society of London, 27 (1871), pp. 406–410

Order (Ordo): Pholidota

• "Pangolin," in Encyclopædia Britannica (11th ed., 1911)

Order (Ordo): Primates

• "Note upon the northern limit of the Quadrumana in the New World" by Philip Lutley Sclater in Natural History Review, Series 2, 1 (4) (1861), pp. 507–510
• "The Pygmy Monkey" in Popular Science Monthly, 13 (June 1878)
• "Monkeys" in Popular Science Monthly, 21 (May 1882)
• "My Monkeys" in Popular Science Monthly, 25 (August 1884)
• "Monkeys from a Cold Climate" in Popular Science Monthly, 7 (October 1875)
• "Anthropoid Apes," in Encyclopædia Britannica (11th ed., 1911)
• "Ape," in Encyclopædia Britannica (11th ed., 1911)
• "Baboon," in Encyclopædia Britannica (11th ed., 1911)
• "Barbary Ape," in Encyclopædia Britannica (11th ed., 1911)
• "Capuchin Monkey," in Encyclopædia Britannica (11th ed., 1911)
• "Douroucouli," in Encyclopædia Britannica (11th ed., 1911)
• "Dryopithecus," in Encyclopædia Britannica (11th ed., 1911)
• "Galago," in Encyclopædia Britannica (11th ed., 1911)
• "Gibbon," in Encyclopædia Britannica (11th ed., 1911)
• "Howler," in Encyclopædia Britannica (11th ed., 1911)
• "Langur," in Encyclopædia Britannica (11th ed., 1911)
• "Loris," in Encyclopædia Britannica (11th ed., 1911)
• "Macaque," in Encyclopædia Britannica (11th ed., 1911)
• "Mandrill," in Encyclopædia Britannica (11th ed., 1911)
• "Marmoset," in Encyclopædia Britannica (11th ed., 1911)
• "Potto," in Encyclopædia Britannica (11th ed., 1911)
• "Primates," in Encyclopædia Britannica (11th ed., 1911)
• "Proboscis-monkey," in Encyclopædia Britannica (11th ed., 1911)
• "Spider-monkey," in Encyclopædia Britannica (11th ed., 1911)
• "Squirrel Monkey," in Encyclopædia Britannica (11th ed., 1911)
• "Tarsier," in Encyclopædia Britannica (11th ed., 1911)
• "Uakari," in Encyclopædia Britannica (11th ed., 1911)
• "Ape," in The New Student's Reference Work, Chicago: F.E. Compton and Co. (1914)
• "Baboon," in The New Student's Reference Work, Chicago: F.E. Compton and Co. (1914)

• "On the Brain of a Young Chimpanzee" by John Marshall in Natural History Review, Series 2, 1 (3) (1861), pp. 296–315
• "Chimpanzee," in Encyclopædia Britannica (11th ed., 1911)
• "Chimpanzee," in The New Student's Reference Work, Chicago: F.E. Compton and Co. (1914)

• "Gorilla," in Encyclopædia Britannica (11th ed., 1911)

• "Avahi," in Encyclopædia Britannica (11th ed., 1911)
• "Aye-Aye," in Encyclopædia Britannica (11th ed., 1911)
• "Indri," in Encyclopædia Britannica (11th ed., 1911)
• "Lemur," in Encyclopædia Britannica (11th ed., 1911)
• "Sifaka," in Encyclopædia Britannica (11th ed., 1911)

• "On the Affinities of the Brain of the Orang Utang" by George Rolleston in Natural History Review, Series 2, 1 (2) (1861), pp. 201–217
• "On the Myology of the Orang Utang (Simia Morio)" by William Selby Church in Natural History Review, Series 2, 1 (4) (1861), pp. 510–516
• "Orang-Utan," in Encyclopædia Britannica (11th ed., 1911)

Order (Ordo): Proboscidea

• "Proboscidea," in Encyclopædia Britannica (11th ed., 1911)

• "Dinotherium," in Encyclopædia Britannica (11th ed., 1911)
• "Dinotherium," in The New International Encyclopædia, New York: Dodd, Mead and Co. (1905)

• "About Elephants" in Popular Science Monthly, 21 (August 1882)
• "Mental Capacity of the Elephant" in Popular Science Monthly, 23 (August 1883)
• "Elephant," in Encyclopædia Britannica (11th ed., 1911)
• "The Sumatran Elephant" by Hermann Schlegel in Natural History Review, Series 2, 2 (5) (1862), pp. 72–78

• "Mammoth," in Encyclopædia Britannica (11th ed., 1911)
• "Mammoth," in Collier's New Encyclopedia, New York: P. F. Collier & Son Co. (1921)
• "Mammoth," in The American Cyclopædia (1879)
• "Observations on Remains of the Mammoth and other Mammals from Northern Spain" by Andrew Leith Adams in Quarterly Journal of the Geological Society of London, 33 (1877), pp. 537–540
• "On the Range of the Mammoth in Space and Time" by William Boyd Dawkins in Quarterly Journal of the Geological Society of London, 35 (1879), pp. 138–147

• Notice of the Remains of a Mastodon recently discovered in Michigan
• "A Gigantic Relic" in Popular Science Monthly, 5 (May 1874)
• "A Mastodon in an Old Beater-Meadow" in Popular Science Monthly, 22 (January 1883)
• "Mastodon," in Encyclopædia Britannica (11th ed., 1911)

Order (Ordo): Rodentia

• "Musical Mice" in Popular Science Monthly, 1 (July 1872)
• "The Norwegian Lemming and its Migrations" in Popular Science Monthly, 11 (August 1877)
• "Singing Mice" in Popular Science Monthly, 14 (November 1878)
• "An Episode on Rats" in Popular Science Monthly, 4 (January 1874)
• "The American Chipmunk" in Popular Science Monthly, 7 (August 1875)
• "Chipmunk," in The New Student's Reference Work, Chicago: F.E. Compton and Co. (1914)
• "Muskrat," in The New Student's Reference Work, Chicago: F.E. Compton and Co. (1914)
• "Polecat," in The New Student's Reference Work, Chicago: F.E. Compton and Co. (1914)
• "Agouti," in Encyclopædia Britannica (11th ed., 1911)
• "Bandicoot-Rat," in Encyclopædia Britannica (11th ed., 1911)
• "Capybara," in Encyclopædia Britannica (11th ed., 1911)
• "Cavy," in Encyclopædia Britannica (11th ed., 1911)
• "Chinchilla," in Encyclopædia Britannica (11th ed., 1911)
• "Coypu," in Encyclopædia Britannica (11th ed., 1911)
• "Dormouse," in Encyclopædia Britannica (11th ed., 1911)
• "Gerbil," in Encyclopædia Britannica (11th ed., 1911)
• "Hamster," in Encyclopædia Britannica (11th ed., 1911)
• "Jerboa," in Encyclopædia Britannica (11th ed., 1911)
• "Jumping-Hare," in Encyclopædia Britannica (11th ed., 1911)
• "Jumping-Mouse," in Encyclopædia Britannica (11th ed., 1911)
• "Kangaroo-Rat," in Encyclopædia Britannica (11th ed., 1911)
• "Lemming," in Encyclopædia Britannica (11th ed., 1911)
• "Mole-Rat," in Encyclopædia Britannica (11th ed., 1911)
• "Mouse," in Encyclopædia Britannica (11th ed., 1911)
• "Musk-rat," in Encyclopædia Britannica (11th ed., 1911)
• "Octodon," in Encyclopædia Britannica (11th ed., 1911)
• "Paca," in Encyclopædia Britannica (11th ed., 1911)
• "Pocket-gopher," in Encyclopædia Britannica (11th ed., 1911)
• "Pocket-mouse," in Encyclopædia Britannica (11th ed., 1911)
• "Porcupine," in Encyclopædia Britannica (11th ed., 1911)
• "Rat," in Encyclopædia Britannica (11th ed., 1911)
• "Rodentia," in Encyclopædia Britannica (11th ed., 1911)
• "Viscacha," in Encyclopædia Britannica (11th ed., 1911)
• "Vole," in Encyclopædia Britannica (11th ed., 1911)

• "Hare," in Encyclopædia Britannica (11th ed., 1911)

• "Rabbit," in Encyclopædia Britannica (11th ed., 1911)

• "Flying-squirrel," in Encyclopædia Britannica (11th ed., 1911)
• "Groove-toothed Squirrel," in Encyclopædia Britannica (11th ed., 1911)
• "Ground-squirrel," in Encyclopædia Britannica (11th ed., 1911)
• "Marmot," in Encyclopædia Britannica (11th ed., 1911)
• "Prairie-marmot," in Encyclopædia Britannica (11th ed., 1911)
• "Souslik," in Encyclopædia Britannica (11th ed., 1911)
• "Spiny Squirrel," in Encyclopædia Britannica (11th ed., 1911)
• "Squirrel," in Encyclopædia Britannica (11th ed., 1911)
• "Woodchuck," in Encyclopædia Britannica (11th ed., 1911)

• "The Beaver and his Works" in Popular Science Monthly, 25 (May 1884)
• "Beaver," in The New International Encyclopædia, New York: Dodd, Mead and Co. (1905)
• "Beaver," in Encyclopædia Britannica (11th ed., 1911)
• "Beaver," in Collier's New Encyclopedia, New York: P. F. Collier & Son Co. (1921)

Clade: Pinnipedia

• "Seal," in Encyclopædia Britannica (11th ed., 1911)
• "Seal-Fisheries," in Encyclopædia Britannica (11th ed., 1911)
• "Seals and Sealing," in The Encyclopedia Americana, New York: The Encyclopedia Americana Corporation (1920)

• "Walrus," in Encyclopædia Britannica, Ninth Edition (1875–1889)
• "Walrus," in Encyclopædia Britannica (11th ed., 1911)
• "Walrus," in The New Student's Reference Work, Chicago: F.E. Compton and Co. (1914)
• "Walrus," in Collier's New Encyclopedia, New York: P. F. Collier & Son Co. (1921)
• "Walrus," in The New International Encyclopædia, New York: Dodd, Mead and Co. (1905)
• "Walrus," in The Encyclopedia Americana, New York: The Encyclopedia Americana Corporation (1920)

Order (Ordo): Artiodactyla

• Portal:Artiodactyla

Order (Ordo): Perissodactyla

• "Origin of the Donkey" in Popular Science Monthly, 22 (April 1883)
• "Ass," in The New Student's Reference Work, Chicago: F.E. Compton and Co. (1914)
• "Ass," in Encyclopædia Britannica (11th ed., 1911)

• "Many-Toed Horses" in Popular Science Monthly, 16 (December 1879)
• "Horses and their Feet" in Popular Science Monthly, 18 (February 1881)
• "Working Capacity of Unshod Horses" in Popular Science Monthly, 24 (February 1884)
• "The Paces of the Horse" in Popular Science Monthly, 6 (December 1874)
• "A Curious Question of Horses' Ribs" in Popular Science Monthly, 7 (June 1875)
• "Horse," in Encyclopædia Britannica (11th ed., 1911)
• Sketch of Ten Broeck 1876 as it appeared in The New York Times

• "Rhinoceros," in Encyclopædia Britannica (11th ed., 1911)

• "Equidae," in Encyclopædia Britannica (11th ed., 1911)
• "Palaeotherium," in Encyclopædia Britannica (11th ed., 1911)
• "Perissodactyla," in Encyclopædia Britannica (11th ed., 1911)
• "Phenacodus," in Encyclopædia Britannica (11th ed., 1911)
• "Quagga," in The New Student's Reference Work, Chicago: F.E. Compton and Co. (1914)
• "Zebra," in The New Student's Reference Work, Chicago: F.E. Compton and Co. (1914)

• "The Australian Ornithorhynchus" in Popular Science Monthly, 17 (October 1880)
• "The Matamata" in Popular Science Monthly, 16 (March 1880)
• "Binturong," in Encyclopædia Britannica (11th ed., 1911)
• "Carnivora," in Encyclopædia Britannica (11th ed., 1911)
• "Creodonta," in Encyclopædia Britannica (11th ed., 1911)
• "Edentata," in Encyclopædia Britannica (11th ed., 1911)
• "Megatherium," in Encyclopædia Britannica (11th ed., 1911)
• "Monodelphia," in Encyclopædia Britannica (11th ed., 1911)
• "Multituberculata," in Encyclopædia Britannica (11th ed., 1911)
• "Sparassodonta," in Encyclopædia Britannica (11th ed., 1911)

• The Beginning of the Armadillos
• The Farmer and the Badger