CLASSIFICATION OP ANIMALS, 339 



3 Tringa, lapwiug, ruffs, and 6 Rallus, rail 



reeves 7 Phaeoicopterus, flamingo 



4 Charadrius, plover 8 Tantalus, ibis, 



5 Fulica, coot &c. 



II. Anseres, swimming birds ; web-footed ; bill broad and flat, 

 covered by a somewhat soft substance, on which large nerves are 

 distributed. 



1 Colymbus, diver 6 Anas, swan, duck, goose 



2 Larus, gull 7 Mergues, goosander 



3 Procellaria, petrel 8 Alca, auk, puffin 



4 Diomedea, albatross g Aptenodytes, penguin 



5 Pelecanus, pelican, cormorant 



The two classes of cold-blooded vertebral animals are the amphi- 

 bia and fishes. 



The former, differing considerably from each other, have very few 

 common characters ; for in different instances they walk, fly, swim, 

 and crawl. There is no external ear, nor cochlea ; the brain is al- 

 ways very small. The lungs are in the same cavity with the other 

 viscera; no epiglottis, omentum, nor mesenteric glands. Two ova- 

 ries and oviducts. Cloaca, through which the faeces and urine are 

 expelled j and in which the organs of generation terminate. Nei- 

 ther hair, feathers, nor mammae. 

 Order I. Reptilia, having four feet, (quadrupeda ovipara). 



1 Testudo, tortoise, turtle 3 Lacerta, lizards, crocodile, cha- 



2 Rana, frog, toad meleon, newt, salamander, 



iguana, &c. 

 II. Serpentia. No external members ; body of an elongated form, 

 and viscera of a similar shape. They are oviparous ; but the egg is 

 sometimes hatched in the oviduct. Both jaws moveable. 



1 Crotalus, rattlesnake 4 Anguis, blind-worm 



2 Boa. Immense serpents of 5 Amphisbaena 

 India and Africa 6 Caecilia 



3 Coluber, viper 



Fishes Breathe by means of branchiae, or gills ; and have no tra- 

 chea, or larynx. Organs of motion consisting of fins. Nose un- 

 connected with the organs of respiration. Ear entirely inclosed in 

 the head ; the tympanum, &c. being absent. Both jaws moveable. 

 The place of the pancreas supplied by the pyloric caeca . An uri- 



z 2 



