Ladd, Harry Stephen,  1899- <br/><br/>
Chitons and Gastropods (Haliotidae through Adeorbidae) from the western Pacific Islands, 
by Harry S. Ladd. 
 - Washington,  U.S. Govt. Print. Off.,  1966. 
 - iv, 98 p.  illus., maps, 16 plates.  29 cm. 
 - Geological survey professional paper 531 .
 - Geological Survey (U.S.).  Professional paper ;  531. .
<br/><br/>Bibliography: p. 89-91. 
<br/><br/><label>LCCN: </label>gs 66000257  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mollusks, Fossil.<br/>Paleontology--Tertiary.<br/>Paleontology--Oceania.<br/>Geology--Oceania.<br/>Paleoecology.
<br/><br/><label>LC Class. No.: </label>QE75  / .P9 no. 531 
<br/><br/><label>Gov. Doc. Class. No.: </label>I 19.16:531