00859cam a22002411 4500 agr21000501 DLC 20260227110942.0 750811s1921 ohua b 000 0 eng c agr21000501 (OCoLC)1536090 U.S. Dept. of agr. Library FMU OCoLC DLC premarc AS36 .L592 no. 21 Lloyd, John Thomas, 1884- 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 Published also as thesis (Ph. D.) Cornell university, 1921. Bibliography: p. 120-124. Caddisflies. 8731 8731