44 ORDERS. 
Examples. Tortoise, turtle, matmata. 
2. Sauria, reptiles having two auricles to the 
heart ; covered with scales and Aaving four feet. 
Examples. Crocodile, lizard, basalisk, drag- 
on, chamelion. 
3. Oruipia, reptiles with two auricles to the 
heart, and desti:ute of feet. 
Examples. Serpents or snakes, hydra and vi- 
per. 
4, BaTracuia, reptiles with one auriele to the 
heart, body nuked. and heving four or two feet. 
Examples. Frog, toad, tree-toad, salamander, 
proteus, siren. 
Iv. CLASS PISCES 
IS DIVIDED INTO SIX ORDERS. 
4. Apoprs,* o7/l-membranes (if any) with long 
rays ; ventral fins none. 
Examples. el, sword-fish. 
2. JUGULARES, gill membranes with bony rays ; 
ventral fins before the pectoral. 3 
Examples. Codfish, blenny. . 
3. Tuoracict, gli membranes with bony rays ; 
vertebral fins under the pectoral. 
Examples. Bullhead, flounder, hollibut, mack- 
erel. | 
4. ABBDOMINAL#S, gill-membranes with long 
rays ; ventral fins back of the pectoral. 
Examples. Salmon, trout, sea-pipe, shad, carp. 
* I adopt the orders of Linneus in this class ; because, in my opin- 
ion, they are preferable to those of Cuvier, and will eventually be 
retained. ont ' 
