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The skull of the Great Anteater (Myrmecophaga tridactyla).

Great Anteater Skull

The skull of the Great Anteater (Myrmecophaga tridactyla).

"Bat, one of the group of wing-handed, flying mammals, having the fore-limb peculiarly modified so as to serve for flight, and constituting the order Cheiroptera." -Vaughan, 1906

Bat Head

"Bat, one of the group of wing-handed, flying mammals, having the fore-limb peculiarly modified so as…

The head of the chin leafed bat. "Bat, one of the group of wing-handed, flying mammals, having the fore-limb peculiarly modified so as to serve for flight, and constituting the order Cheiroptera." -Vaughan, 1906

Chin Leafed Bat Head

The head of the chin leafed bat. "Bat, one of the group of wing-handed, flying mammals, having the fore-limb…

The head of the flower-nosed bat. "Bat, one of the group of wing-handed, flying mammals, having the fore-limb peculiarly modified so as to serve for flight, and constituting the order Cheiroptera." -Vaughan, 1906

Flower-Nosed Bat Head

The head of the flower-nosed bat. "Bat, one of the group of wing-handed, flying mammals, having the…

The head of the Hammer-Headed Bat (Hypsignathus monstrosus). Also known as the big-lipped bat, it is in the Pteropodidae family of megabats.

Hammer-Headed Bat Head

The head of the Hammer-Headed Bat (Hypsignathus monstrosus). Also known as the big-lipped bat, it is…

"Palmar aspect of left fore foot of a black bear (Ursus americanus). scl, scapholunar; c, cuneiform; p, pisiform; tr, trapezium; t, trapezoid; m, magnum; u, unciform. The phalanges show a full series of sesamoid bones (unmarked)." -Whitney, 1911

Bear Foot

"Palmar aspect of left fore foot of a black bear (Ursus americanus). scl, scapholunar; c, cuneiform;…

"Skull of Cat (Felis catus), showing the following bones, viz. : na, nasal; pm, premaxillary; m, maxillary; l, lacrymal; f, frontal; j, jugal; pa, palatine; p, parietal; sq, squamosal; ip, interparietal; so, supra-occipital; eo, exoccipital (the line leads to the occipital condyle); t, tympanic bulla; smf, stylomastoid foramen; mf, mental foramen; c, coronoid process of mandible; ar, ascending ramus of mandible; hr, horizontal ramus of mandible; an, angle of jaw." -Whitney, 1911

Domestic Cat Skull

"Skull of Cat (Felis catus), showing the following bones, viz. : na, nasal; pm, premaxillary; m, maxillary;…

"Brain of chimpanzee. Ol, olfactory lobe; A, B, C, frontal, occipital, and temporal lobes; C1, a portion of temporal lobe; Sy, Sylvian fissure; In, insula or island of Reil; SOr, supra-orbital gyrus; SF, MF, IF, superior, middle, and inferior frontal gyri; R, fissure of Rolando; PPl, posteroparietal lobule; OPf, occipitotemporal sulcus; An, angular gyrus; 2, 3, 4, annectent gyri; AT, MT, PT, the anterior, middle, and posterior temporal gyri; SOc, MOc, IOc, the superior, middle, and inferior occipital gyri." -Whitney, 1911

Chimpanzee Brain

"Brain of chimpanzee. Ol, olfactory lobe; A, B, C, frontal, occipital, and temporal lobes; C1, a portion…

The skull and upper jaw of an early rhinoceros-like mammal from the Cenozoic time.

Dinoceras Mirabile

The skull and upper jaw of an early rhinoceros-like mammal from the Cenozoic time.

"Stomach of Dog (A)...c, cardiac portion; p, pyloric portion; o, esophagus; i, intestine." -Galloway, 1915

Dog Stomach

"Stomach of Dog (A)...c, cardiac portion; p, pyloric portion; o, esophagus; i, intestine." -Galloway,…

"Skeleton and Outline of African Elephant (Elephas or Loxodon africanus). fr, frontal; ma, mandible; ma', malar; fi, "finger" at end of trunk; C, cervical vertebrae; D, dorsal vertebrae; D, dorsal vertebrae; pe, pelvis; sc, scapula; st, sternum; hu, humerus; ul, ulna; ra, radius; mc, metacarpus; fe, femur; pat, patella; tib, tibia; fib, fibula; met, metatarsus." -Whitney, 1911

African Elephant Skeleton

"Skeleton and Outline of African Elephant (Elephas or Loxodon africanus). fr, frontal; ma, mandible;…

"Posterior View of Left Femur of a Horse. h, head; gtr, great trochanter; ttr, third trochanter; ltr, lesser trochanter; p, pit for round ligament; itf, intertrochanteric fossa; d, a depression or fossa; etu, itu, external and internal tuberosities; cc, the two condyles." -Whitney, 1911

Posterior View of Left Femur of Horse

"Posterior View of Left Femur of a Horse. h, head; gtr, great trochanter; ttr, third trochanter; ltr,…

"Diagram of the heart and the branchial arches in Mammals. A dotted outline of the arches of the Fish is drawn for ready comparison. The auricles are represented in a posterior position...a, aorta; au., auricle; c, carotid; d.a., dorsal arteries; j, jugular veins; s.v., sinus venosus; v, ventricle." -Galloway, 1915

Mammal Heart

"Diagram of the heart and the branchial arches in Mammals. A dotted outline of the arches of the Fish…

"Brain of pig. Ol, olfactory lobe; A, B, C, frontal, occipital, and temporal lobes; C1, a portion of temporal lobe; Sy, Sylvian fissure; In, insula or island of Reil." -Whitney, 1911

Pig Brain

"Brain of pig. Ol, olfactory lobe; A, B, C, frontal, occipital, and temporal lobes; C1, a portion of…

"Brain of rabbit. Ol, olfactory lobe; A, B, C, frontal, occipital, and temporal lobes; Sy, Sylvian fissure." -Whitney, 1911

Rabbit Brain

"Brain of rabbit. Ol, olfactory lobe; A, B, C, frontal, occipital, and temporal lobes; Sy, Sylvian fissure."…

"Stomach of Rat (B)...c, cardiac portion; p, pyloric portion; o, esophagus; i, intestine." -Galloway, 1915

Rat Stomach

"Stomach of Rat (B)...c, cardiac portion; p, pyloric portion; o, esophagus; i, intestine." -Galloway,…