316 APPENDIX. 



4. The Rodentia or gnawers. They have no canine teeth ; 

 and their claws are similar to those of the carnivora. 



5. The Edentata or toothless animals ; so called because 

 they are deficient always in the incisive teeth, and some- 

 times have no teeth at all. 



6. The Ruminantia or ruminating animals are those which 

 chew the cud. They are cloven footed, and have more- 

 over no incisive teeth in the upper jaw. 



7. The Pachydermata or thick skinned animals. This 

 order includes a considerable variety of other animals with 

 hoofs, but which do not ruminate. 



8. The Cetacea, or animals of the whale kind, distinguished 

 by having no posterior extremities, and their anterior so con- 

 structed as to answer the purpose of fins, as whales, porpoises, 

 and dolphins. 



9. The Marsupial animals are distinguished from all 

 others by the possession, in the female, of a bag or pouch 

 {marsupium) on the outside of the abdomen, for the purpose 

 of holding their young after birth. Note. Linnaius divided 

 the class mammalia into seven orders; 1. Primates, oi this 

 order man was placed at the head, and next him, the ape, 

 monkey, Oran-outang, and bat. 2. Bruta, as the elephant, ^ 

 sloth, and ant-eater. 3. FercB, as the seal, dog, cat, and 

 hedge-hog. 4. GUres, as beavers, mice, and hares. 5. Pe- 

 cora, as oxen, sheep, goats, and others. 6. Belluce, as the 

 horse, hog, and the tapir. 7. Cetce^ as the whale tribes. 



LESSON 97. Birds. . 



The orders of Birds according to Linnaeus are, 1. Acci* 

 pitres. 2. Piece, or the pie kind, as parrots, ravens, crows, 

 &,c. 3. Anseres, or the duck kind. 4. Grallce, or the crane 

 kind. 5. GallincB^ or the poultry kind. 6. Passeres, or the 

 sparrow kind. 



LESSON 98. 



Xinnseus divided his class Amphibia into four orders, 1. 

 Reptiles, as the crocodile, tortoise, lizard, frog, &c. 2. iSfer- 

 pents, as the rattle-snake, viper, &/C. 3. Meantes, as the si- 

 ren. 4. NanteSi as torpedoes, sharks, &c. 



