44 ORDERS. 



Examples. Tortoise, turtle, matmata. 



2. SAURIA, reptiles having two auricles to the 

 heart ; covered with scales and having four feet. 



Examples. Crocodile, lizard, basalisk, drag- 

 on, charnelion. 



3. OPHIDIA, reptiles with two auricles to the 

 heart, and destitute of feet. 



Examples. Serpents or snakes, hydra and vi- 

 per. 



4. B ATRAC HI A, reptiles with one auricle to the 

 heart, body naked and having four or two feet. 



Examples Frog, toad, tree-toad, salamander, 

 proteus, siren. 



IV. CLASS PISCES 



IS DIVIDED INTO SIX ORDERS. 



1. APODES,* gill- membranes (if any} with long 

 rays ; ventral jinx none. 



Examples. Eel, sword-fish. 



2. JUGULAIIES, gill membranes with bony rays ; 

 ventral Jin s bejore the pectoral. 



Examples. Codfish, blenny. 



3. THORACICI, gill membranes with bony rays ; 

 vertebral fins under the ptctoral. 



Examples. Bullhead, flounder, hollibut, mack- 

 erel. 



4. ABDOMINALES, gill-membranes with long 

 rays '; ventral Jins buck of the pectoral. 



Examples. Salmon, trout, sea-pipe, shad, carp, 



* I adopt the orders of Linneus in this class j because, in my opin- 

 ion, they are preferable to those of Cuvier, and will eventually be 

 retained. 



