THE REPTILE BOOK 



PLATE XI 



YELLOW-NECKED MUD TURTLE, Cinostcrnum flavescens 

 The upper shell is yellowish-brown or olive and the sides of the neck bright yellow. Inhabits the southwestern portion of the United States 





ARIZONA MUD TURTLE. Cinnttrrnum hrnrin 



Largest of the North American mud turtles. A full-grown shell is six inches long. The under shell has a crushcd-in appearance 



The range embraces the rivers of New Mexico and Arizona 



