474 CHELONIANS. 



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

 BoxT.? 



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 well 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? 



