Stebbins, Robert C.  <br/><br/>
A field guide to western reptiles and amphibians :  field marks of all species in western North America, including Baja California / 
text and illustrations by Robert C. Stebbins 
 - Boston :  Houghton Mifflin,  1985. 
 - xiv, 336 p. :  ill. ;  19 cm. 
<br/><br/> Includes bibliographies and indexes. 
<br/><br/><label>ISBN: </label>0395082110 0395194210 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Reptiles--North America
<br/><br/><label>Dewey Class. No.: </label>597.90978  / STF 1985