Howden, Henry F. [from old catalog] <br/><br/>
Biology and taxonomy of North American beetles of the subfamily Geotrupinae with Revisions of the Genera Bolbocerosoma, Eucanthus, Geotrupes and Peltotrupes (Scarabaeidae) 

 - Smithsonian Institution,   1955.  Washington. 
 - p. 151-319.  plates.  24 cm. 
<br/><br/><label>LCCN: </label>61000070  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Scarabaeidae--North America.
<br/><br/><label>LC Class. No.: </label>Q11  / .U55 vol. 104 
<br/><br/><label>Dewey Class. No.: </label>591  / HOB