Lloyd, John Thomas,  1884- <br/><br/>
The biology of the North American caddis fly larvae. 
By John Thomas Lloyd. 
 - [Cincinnati, O.,  J.U. & C.G. Lloyd,  1921] 
 - 124 p.  illus.  27 cm. 
 - Bulletin of the Lloyd library of botany, pharmacy and materia medica,  no. 21. Entomological series, no. 1 .
<br/><br/> Published also as thesis (Ph. D.) Cornell university, 1921. 
<br/><br/>Bibliography: p. 120-124. 
<br/><br/><label>LCCN: </label>agr21000501  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Caddisflies.
<br/><br/><label>LC Class. No.: </label>AS36  / .L592 no. 21