Matheson, Robert,  1881- <br/><br/>
Entomology for introductory courses / 
by Robert Matheson 
 - 2nd ed. 
 - New York :  Comstock Pub.,  1951 
 - xiv, 629 p. :  ill. ;  23 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Insects