Thomas, Cyrus,  1825-1910. <br/><br/>
A list of the species of the tribe Aphidini,  family Aphidae,   found in the United States, which have been heretofore named, with descriptions of some new species. 
By Cyrus Thomas, Ph.D. 
 - [Bloomington, Ill.,  1877] 
 - 16 p.  22 cm. 
 - Illinois State Laboratory of Natural History.  Bulletin ;  v. 1, art. 2. .
<br/><br/> Caption title.  "From Bulletin no. 2, Ill. state lab. of nat. hist."  "Printed Dec. 13th, 1877." 
<br/><br/><label>LCCN: </label>ca 07006693  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Aphids--United States.
<br/><br/><label>LC Class. No.: </label>QL523.A6  / T4