CLASS-BOOK OF ZOOLOGY. 



63 



§ 249. The Dolphin (Delphinus Delphis) differs from 

 the Porpoise in being smaller, and having a long, pointed 

 snout, and a body of a blackish-green color. This is the 

 true Dolphin of the ancients. 



QUESTIONS ON SECT. XII. 



§ 235. Describe the Fish-like Mammalia. 



§ 236. Describe the Narwhal. 



§ 237. Describe the Black Whale. 



§ 238. What is the cause that some warm-blooded animals can endure 

 the greatest cold of the northern' regions ? 



§ 239. Describe the mouth of the Black Whale. 



§ 240. Describe the two fins. 



§ 241. Describe the tail. 



§ 242. Describe the eyes and spiracles. 



§ 243. Describe the whalebones. 



§ 244. Describe the blubber. 



§ 245. What do you know of the milk, flesh, brain, and food of the 

 Black Whale? 



§ 246. Describe the Spermaceti Whale, and the use which is made of it. 



§ 247. What can you say of the Sperm Whale fishery of the United 

 States? 



§ 248. Describe the Porpoise. 



| 249. Describe the Dolphin. 



List of Mammalia found in the State of New Yoek, 



AND DESCRIBED BY DOCTOR JAMES E. De KaY IN HIS 



Zoology of New York. 



3c? Order : Carnivorous Mammalia. 



