318 
Index 
[December 
Forbes, W. T. M. How a Beetle Folds its Wings, 254. 
Harris, R. G. Sex of Adult Cecidomyidse (Oligarces sp.) Arising from Larvae 
Produced by Paedogenesis, 148. 
Hoffman, W. E. Biological Notes on Lethocerus americanus (Leidy), 176. 
Hood, J. D. On Some New Phloeothripidae (Thysanoptera) from the Trans- 
vaal, 293. 
Howe, R. H. Jr. Another Instance of the Northward Migration of Odonata 
in the Spring, 312. 
Johannsen, O. A. A New Species of Dixa from California, 45. 
Johnson, C. W. Notes on Muscina pascuorum Meigen During 1923, 17. 
Malloch, J. R. New and Little Known Calyptrate Diptera from New Eng- 
land, 193. 
Mann, W. M. Notes on Cuban Ants, 19. 
Melander, A. L. Review of the Dipterous Family Piophilidae, 78. 
Myers, J. G. On the Systematic Position of the Family Termitaphididae 
(Hemiptera, Heteroptera), with a Description of a new Genus and 
. Species from Panama, 259. 
Needham, J. G. The Male of the Parthenogenetic May-fly, Ameletus ludens, 
308. 
Proceedings of the Cambridge Entomological Club, 170, 245, 313. 
Rau, Phil. Some Life History Notes on the Black Widow Spider, 
mactans, 162. 
Robertson, Charles. Flower Visits of Insects II, 93. 
Robertson, Charles. Note on Panurgidae (Bees), 312. 
Smulyan, M. T. Attacks of Vespa communis De Saussure on Hyphantria cunea 
Drury, 138. 
Spuler, Anthony. North American Species of the Subgenera Opacifrons Duda 
and Pteremis Rondani of the Genus Letptocera Olivier (Diptera, 
Borboridae), 121. 
Weiss, H. B. More Notes on Fungus Insects and their Hosts, 236. 
Weiss, H. B. and Lott, R. B. Notes on Piesma cinerea Say in New Jersey 
(Hemiptera), 233. 
West, L. S. New Northeastern Dexiinae (Diptera; Tachinidae), 184. 
Wheeler, G. C. cfc E. H. A New Species of Schizaspididia (Eucharidae) with 
Notes on a Eulophid Ant Parasite, 49. 
Wheeler, W. M. A Gynandromorph of Tetramorium guineense Fabr., 136. 
Wheeler, W. M. On the Ant Genus Chrysapace Crawley, 224. 
Worthley, H. N. The Biology of Trichopoda pennipes Fab. (Diptera, Tachi- 
nidae), A Parasite of the Common Squash Bug, 7, 57. 
