Snodgrass, Robert Evans  1875-1962 <br/><br/>
The Male Genitalia of Hymenoptera/ 
by R. E. Snodgrass 
 - Washington:  The Smithsonian Institution,  1941 
 - 86p.:  illus.;  24cm 
<br/><br/> Recommended for digitizing 
<br/><br/>Includes bibliographical references and indexes 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Generative organs, Male<br/>Hymenoptera