DEPARTMENT OE ZOOLOGY 
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Cases 2 and 3 in Hall 23. — Contain skeletons of the re- 
mainder of the Cold-blooded Vertebrates, i. e., Lizards, Turtles 
and Alligators. 
Cases 4, 5 and 6. — The Birds. 
Case 7. — ^The lower subclass of Mammals — the Prototheria, 
order Monotremata, to which belong the Duckbills (Ornithor- 
hynchus) and the Spiny Ant-eaters {Echidna). This case also 
contains the subclass Metatheria, order Marsupialia, i. e.. Opos- 
sums, Kangaroos, Wombats, etc. 
Case 8. — The Sirenia (Manatee and Dugong) and the Ceta- 
cea (Whales). 
Cases 9, 10, 11, 12 and 13. — The Ungulata (the Ungulates or 
Hoofed Mammals). 
Case 14. — In the southern half are the Glires or Rodentia 
(Rodents or Gnawers) ; and in the northern half, the Pinnipedia 
(Seals and Walrus). 
Cases 15, 16 and 17. — The Perce or Carnivora (Carnivores or 
Flesh-eaters). 
Case 18. — The Insectivora (Insect-eaters) and the Chiroptera 
(Bats). 
Case 19. — In the case at the east side of Alcove 97 are the 
Primates (Lemurs, Monkeys and Man). 
In the middle of Hall 23 are the skeletons of the Giraffe, 
Elephant, Hippopotamus and the Rhinoceros; and in the middle 
of Alcove 97, the Camel, Wapiti and Bottle-nosed Whale. In 
Alcove 96 a fine skeleton of the Sea Elephant is suspended from 
the balcony, and on the south wall are two jaws of the Sperm 
Whale. A skeleton of a North Atlantic Right Whale, having 
a length of 44^ feet, is also suspended from the roof over the 
east end of the West Court. 
In a long wall case on the west side of Hall 25 is the collec- 
tion of Crania, comprising 257 skulls, jaws and teeth of Fishes, 
Reptiles, Birds and Mammals. Skulls of the Orang Utan, Wal- 
rus, Elephant, Koodoo, Beisa, Wart Hog and Porpoise are 
mounted a la Beauchene (bones spaced and hinged) to facilitate 
the study of the various bones of the face and cranium. Other 
skulls are prepared so as to show the character, development 
and succession of the teeth. 
