Scientific survey of Porto Rico and the Virgin Islands. 

 - New York  The Academy  1941. 
 - v.  ill., col. maps  24 cm. 
 - New York Academy of Sciences. Scientific survey of Porto Rico and the Virgin Islands  v. 3, pt. 1-4 .
<br/><br/> At head of title: New York Academy of Sciences. 
<br/><br/>Includes bibliographies and index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Scientific expeditions--Puerto Rico.<br/>Scientific expeditions--Virgin Islands of the United States.
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Puerto Rico