Pregill, Gregory K. <br/><br/>
Late Pleistocene herpetofaunas from Puerto Rico 
by Gregory K. Pregill. 
 - Kansas  University of Kansas  1979. 
 - iii, 192 leaves  ill., maps. 
<br/><br/>Thesis--Unviersity of Kansas, Systematics and Ecology. 
<br/><br/>Bibliography: leaves 182-192. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Reptiles, Fossil.<br/>Paleontology--Puerto Rico.<br/>Paleontology--Pleistocene.<br/>Amphibians, Fossil.
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Puerto Rico