474 CHELONIANS. 



TORTOISE ? What is said of the CAROLINA TERRAPIN ? Of the European 

 Box T. ? 



Which is the 3rd FAMILY? Describe them. Of what does Agassiz say 

 they remind us ? What is said of their movements, food, &c. ? On what 

 continent are they all found ? What genera represent this family ? Which 

 genus includes the MUD Tortoises? Which the MUSK T. ? 



What is the 4th FAMILY? Describe them. What turtle represents this 

 family ? How does it resemble the ALLIGATOR ? What is said of its strength, 

 food, &c. ? 



What is said of the 5th FAMILY? How many gen. does it include? Where 

 are they found? What other reptiles do some or all of these resemble? 



What is the 6th FAMILY ? Name their characteristics. What gen. does 

 it include ? What is the only recognized sp. ? What is said of it ? 



What is the 7th FAMILY ? In what respects are these distinguished ? 

 For what element does the structure of these animals fit them? What 

 helps them in swimming ? In what waters are they usually found ? Upon 

 what do they feed? What gen. are mentioned? What is the type of the 

 gen. Platypeltes ? What is said of it ? What of the Trionyx of the Nile ? 

 What is said of the plastron of Aspidonectes ? What sp. of this gen. is 

 mentioned? 



What is the 2nd SUB-ORDER? How does the structure of the SEA TUR 

 TLES fit them for aquatic habits ? What is said of their motion ? Which 

 limbs do they use in swimming ? What is the chief use of the hind limb ? 

 On what do they feed ? Are they ever found on shore? When do they 

 lay their eggs and what is said of them ? What is to them a favorite breed 

 ing place? At what time is the T. Fishery carried on? How are the Tur 

 tles secured? How do the Chinese boatmen take them? In what lati 

 tudes are the Sea T. found? What is the 1st FAMILY? How is it charac 

 terized? How many Avell defined gen. on the coast of the U. S. ? What 

 is said of their food, &c.? Which is the most important of the SEA TUR 

 TLE? Why? Where is it very common? How often caught at sea? 

 What is said of the size and weight ? What resort for the female is men 

 tioned? What is said of their eggs? Do their young, when hatched, all 

 reach the sea? How many pair of scales has the Tortoise-shell T. ? Why 

 are they said to be imbricated? At what part do the plates increase? What 

 effect has this upon the older part ? What does this mode of growing and 

 moulting resemble ? For what is this animal chiefly sought ? Which shells 

 are the best? How is the shell removed from the carapace? How is it 

 made to assume various forms? Is the shell renewed upon the stripped 

 animal ? Where is this T. found ? How does the Loggerhead T. differ 

 from the Hawks-bill or Tortoise shell T. ? For what is it sought? 



What is the 2nd FAMILY ? From what is the family name derived ? What 

 Sea T. does it include? What is said of the jaw, carapace, &c. of the 

 LEATHERY T. ? What of its size, weight, &c. ? Where is it found ? What 

 breeding places are spoken of? Why is it sometimes called the LUTE T. ? 



How are the Ohelonidae or Testudinata usually divided, as given on the 

 Chart ? What is Prof. Agassiz first division of them as there shown ? 



