Ehrlich, Anne H. <br/><br/>
How to know the butterflies 

 -  Wm. C. Brown,   1961 
 - 262 p. :  il. 
<br/><br/> Incluye: Introduction, figures, abbreviations and conventions, index and pictured-glossary. 
<br/><br/>Life cycle and morphology.-- telling males from females.-- variation.-- classification.-- collecting.-- preservation in fluid.-- genitalic dissections.-- faunal regions and life zone. 
<br/><br/>1961 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Insectos<br/>Mariposas
<br/><br/><label>Dewey Class. No.: </label>595.7 - Insectos