Curso básico de ciencias biológicas  lecturas escogidas. 

 - 7a. ed. 
 - Río Piedras  Librería Universitaria  1960- 
 - 555 p.  illus., draws., ports. 
<br/><br/> Each work preceded by a biographical sketch of the author.  Special glossary : p. 531-555. 
<br/><br/>Includes bibliographies. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Diabetes--Research.<br/>Evolution<br/>Biology--Addresses, essays, lectures.<br/>Heredity
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Puerto Rico