xxviii Contents 



PAGE 



Methods of Breeding Perisierola angulata, a Cocoon Parasite 



of the Oriental Fruit Moth 512 



By J. C. Schread, Connecticut Agricultural Experiment Station 



Rearing Laelius anthrenivorus 513 



By Arlo M. Vance, U. S. Bureau of Entomology and Plant Quarantine 



Culture of Aphelopus theliae 514 



By S. I. Kornhauser, University of Louisville Medical School 



Anteonine Parasites of Leaf hoppers (Abstracted) . . . .515 

 By F. A. Fenton, Oklahoma A. and M. College 



Methods of Rearing Wild Bees, Wasps, and Their Parasites . .516 

 By Charles H. Hicks, University of Colorado 



Phylum XV. Mollusca 



Class Amphineura 



Chaeto pleura apiculata 519 



By Benjamin H. Grave, De Pauw University 



Class Gastropoda 



Lymnaea [=Pseudosuccinea] columella (Abstracted) . . . 520 



By Harold S. Colton and Miriam Pennypacker, University of Penn- 

 sylvania 



Rearing Aquatic Pulmonate Snails 522 



By Elmer Philip Cheatum, Southern Methodist University 



Rearing Aquatic Snails 523 



By Wendell Krull, U. S. Bureau of Animal Industry 



Rearing Terrestrial Snails 526 



By Wendell Krull, U. S. Bureau of Animal Industry 



Vivarium Methods for the Land Mollusca of North America . . 527 

 By A. F. Archer, University of Michigan 



Culture Methods for Umax flavus 5 2 9 



By Emmett B. Carmichael, University of Alabama School of Medicine 



The Genus Crepidula 53 * 



By E. G. Conklin, Princeton University 



Culture Methods for Urosalpinx cinerea 532 



By H. Federighi, Antioch College 



