Shotwell, R. L. <br/><br/>
Life histories and habits of some grasshoppers of economic importance on the Great plains / 
by Robert L. Shotwell. 
 - Washington :  U.S. Dept. of Agriculture,  1941. 
 - 48 p., [10] p. of plates :  ill. ;  23 cm. 
 - Technical bulletin / United States Department of Agriculture ;  no. 774 .
 - Technical bulletin (United States. Department of Agriculture) ;  no. 774. .
<br/><br/> Cover title.  Contribution from Bureau of Entomology and Plant Quarantine. 
<br/><br/><label>LCCN: </label>agr41000391  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Locusts.
<br/><br/><label>LC Class. No.: </label>SB945.L7  / S53 
<br/><br/><label>National Agricultural Library Call No.: </label>1  / Ag84Te no.774