CETACEA. 



throat of the Sperm Whale? What other peculiarities of structure are 

 mentioned ? On what does it feed How does it sometimes use its huge 

 teeth ? What is said of the Sperm W. Fishery ? What is said of the size 

 of the True W. ? How are they specially distinguished from other W. ? 

 What supplies the place of teeth in the upper jaw ? Describe the Baleen 

 and its uses. How much blubber is yielded by one of these W. ? What 

 are their principal resorts ? Which of the W. is most valuable in a com- 

 mercial point of view ? Give the derivation of its specific name. What 

 renders it appropriate ? What is said respecting the quantity of baleen and 

 oil yielded by a Greenland W. ? Of what use are the bones ? What is said 

 of their blowing ? In what respects do they differ from other W. ? How- 

 extensive is the area of the green water ? What occasions its peculiar color ? 

 What is said of the age Of these W. ? How are their instinctive attachments 

 illustrated ? When was the first American whale-ship built ? What is said 

 of the Humped-backed W. ? How many sp. are enumerated ? To what 

 are the Rorquals allied? What is said of their size and strength? How do 

 they differ from 'the Mysticetus ? Why are they avoided by sailors ? What 

 is said of the arch of the palate? On what does the animal feed? Illus- 

 trate its voracity. Name the two sections of the genus Balaenoptera ? 

 What is the meaning of the term Rorqual ? How large are they ? What 

 waters do they frequent ? What is said of the oil which they yield ? Are 

 they easily captured? In what position are the Southern Rorquals found? 



Give the peculiarities of the Herbivorous Cetacea. What are they fre- 

 quently called ? Where are their favorite resorts? How many sp. does this 

 group include ? Describe the Manatee, or Sea Cow. Where is the M. Amer- 

 icana found ? Where is the Dugong found ? What is the chief difference 

 betwen this and the Manatus? In what respect is it very peculiar ? Where 

 is the Stellerus found? Describe it. Mention the name and localities of the 

 A erican fossil sp. What species of Whale is figured on the Chart? Trace 

 and describe it. What other Cetaceans are named upon the Chart? Refer 

 to the figures and species of this order, tracing each, giving their charac- 

 teristics and habits, size, &c., &c. 



