THE EUR7PHARTNX. 



175 



Lactophrys trigoi a Wesl Indian fish; oik 



lias appeared al Holmes' Hole, Mass. The porcuj 

 (Chilichthys turgidus) and smooth puffer ( Tetrodon la 

 ■ ?) and the spring box-fish (C/iilom 

 range from Cape Cod to Florida. The sim-fisl 

 tunda, Fig. •.'".' 1) is. like the others of the order, a surface- 

 swimmer. Ii is sometimes a metre or more in lei 

 weighing live hundred pounds or more. 



A. very strange ti-h of unknown affinil he Eury- 



pharynx (Fig. 222), which was dredged in the Medit< 

 nean .Sea at a depth of 2300 metres | L200 fathoms). It is 



yphai i,nx prlecanoides. From Liltki-n. 



.41 metres (18 inches) long, with an enormous mouth; it 

 is without fins, and it differs from all other bony fisln 

 having six pairs of internal branchial slits and consequently 

 five pairs of gills. 



Class V. — Batra< iii\ (Salamanders, T 



General Characters of Batrachians. — We now conn 

 air-breathing vertebrates, with legs and lungs, ami with 

 The Amphibians, with the es »n of th< 3 and ft 



are often mistaken fur lizards, but the skin is always 



- 



smooth, not scaled as in true reptiles, and the toea are not 

 provided with claws. These animals are ( >iaua 



