Morrison, Harold,  1890-1963. <br/><br/>
Taxonomy of some scale insects of the genus Parlatoria encountered in plant quarantine inspection work, 
by Harold Morrison. 
 - [Washington,  U.S. Govt. print. off.,  1939] 
 - 34 p., 1 l.  11 pl. on 6 l.  23 cm. 
 - U.S. Dept. of agriculture. Miscellaneous publication no. 344 .
<br/><br/> Caption title.  Contribution from Bureau of entomology and plant quarantine. 
<br/><br/>"Literature cited": p. 31-34. 
<br/><br/><label>LCCN: </label>agr39000581 //r90 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Parlatoria.
<br/><br/><label>LC Class. No.: </label>QL523.C7  / M6 
<br/><br/><label>Dewey Class. No.: </label>595.7523