CLASS REPTILIA. 



121 



The smaller Hawk-bill, with the imbricated plates 

 of its carapax, supplies us with the tortoise-shell of 



FIG. 210. 



FIG. 211. 



E ret mo chl'lys im bri cd' (a. Hawk-billed Turtle. 



commerce. It is found in the warmer waters of the 

 oceans of both the Eastern and Western hemispheres. 



The Soft -shelled Turtle 

 lives in our warmer ponds, 

 though, from their retiring 

 habits and their remarkable 

 protective resemblance to 

 their surroundings, they are 

 seldom captured. The cara- 

 pax is an exact counterfeit 

 of a lily leaf as regards 

 shape, flexibility, color, and 

 venation. This form, like 

 many others, can remain 

 long below the surface, by 

 drawing water into its 

 pharynx, lined with append- 

 ages functionizing as gills. It is very ferocious. 



As pld o nee' tes ft' rox. Soft-shelled Turtle 



