RODENTIA. 141 



characteristic of the common Red S. is wanting in this ? What is ono 

 of its most remarkable peculiarities ? Describe the Striped or Ground S. 

 By what other name is it known ? What is the meaning of its name ? 

 Where is it usually seen ? In what respect does it differ from other S. ? 

 What is its range ? 



Give the derivation of the term Pteromys. How are the Flying Squir 

 rels distinguished &quot;i Give some account of the American species. 



Give the character of the Marmot Family. What is the derivation of the 

 term Spcnnojjhilus ? What animals does this genus, (or sub-genus,) in 

 clude ? What is the meaning of the term Ludovicianus ? What is the 

 common name of this species ? What is said of these animals ? Derive 

 the term Arctomi/s. In what respect does it differ from the preceding, ? 

 What is said of the Alpine Marmo^? Describe the Woodchuck. Give the 

 character of the Jerboas. What ancient writer alludes to them ? Derive 

 the term Dipus. What is said of the animals of this genus ? Which is 

 the most common species? Describe the second genus. What is said of 

 the Jumping Mouse ? Give some account of the animals included in the 

 third genus. Describe the Dormouse. What is said of the common D. ? 

 Of what animals is the Chinchilla the connecting link? Describe this ani 

 mal. Describe the Beaver Family. Give the Greek and Lat:n terms for 

 Beaver. Name the most striking peculiarities and habity of the B. Where 

 is the Musk-rat found? Why is it so called? Give some account 

 of it. Give the derivation of the term Hy&trix. What is the family name ? 

 What is the distinguishing peculiarity of this family ? Describe its spines. 

 How does this animal defend itself? What is further said of it? 



Give the derivation of the term Mwridcc.. What is said of this family? 

 Into what groups does Dr. De Kay arrange them? What is said of the 

 Norway or Brown Rat? Describe tne Common Mouse. Derive the term 

 Icucof.hm. Describe thin animal. Why is it called the Jumping Mouse? 

 Give some account of the Harvest Mouse. What is said of the species in 

 cluded in the genus Arviccla? How do these differ from the Mice proper? 

 What is said of the Geomys, or Pouched Rat ? WHiat is said of the Gavies ? 

 What species are particularly named ? Describe the Water Hog of S. A. 

 What is said of the Guinea Pig ? What of the Patagonian or Hare-like 

 Cavy ? What of the Agouti, or yellow-nosed Cavy ? What is the deriva 

 tion* of the term Leporidae ? What is the chief difference between this 

 family and other Rodents? What species are particularly named? Give 

 some account of the Common Hare. What is said of the Rabbit? What 

 species of the genus Lcpus is referred to ? What is the derivation of the 

 term Layomys ? How many species does it include ? Does it differ from 

 the true Hares? 



How would you trace the Beaver on the Chart ? Ans. Fiber is the spe 

 cies, Castor the genus, Rodentia, or Glires, the order, TJnguiculata the sub 

 class, Mammals the class, Warm-blooded the first division of the sub-king 

 dom Vertebrates. Trace the Squirrel and Porcupine in the same way, giv 

 ing the meaning of the terms at each step. What other gnawing animals 

 are mentioned on the Chart? 



UNIVERSITY 



OF 



