394 
Psyche 
[December 
Forbes, W. T. M. Present Trends in Systematic Entomology. Scientific 
Names. 21. 
Frost, C. A. The Unexpected Acid Test. 59. 
Frost, C. A. Geotrupes horni Blanchard. 111. 
Frost, C. A. Note on Lema palustris Blatchley. 215. 
Frost, C. A. Anatrichis minuta Dej. 282. 
Hyslop, J. A. Common Names and Taxonomy. 107. 
Jacot, A. P. Xenillus clypeator Robineau-Desvoidy and Its Identity. 125. 
Johannsen, O. A. A New Species of Blepharocera from Massachusetts (Dip- 
tera). 123. 
Johnson, C. W. A Flight of Pieris monuste. 92. 
Johnson, C. W. Diptera Destroying Snails. 106. 
Johnson, C. W. Diptera of Labrador. 129. 
Johnson, C. W. A Note on Chilosia hiawatha Shannon. 237. 
Johnson, C. W. Notes on the Syrphidas Collected at Jaffrey and Mount 
Monadnock, N. H., with a Description of a New Species. 370. 
Keeler, C. E. Thelytoky in Scleroderma immigrans. 41. 
Keeler, C. E. Critical Data upon Thelytoky in Scleroderma immigrans. 121. 
Kendall, J. Descriptions of Four New Forms of Eriophyes. 296. 
Metcalf, Z. P. and G. W. Barber. Notes on Aphrophora solids De Geer in 
America. 5 1 . 
Mitchell, T. B. A Species of Megachile from Bermuda. 93. 
Myers, J. G. Observations on Two Remarkable Cixiid Plant-Hoppers (Homop- 
tera) from Cuba. 283. 
Nylen, J. V. European Coleoptera at Providence, R. I., in 1928. 219. 
Park, O. Ecological Observations Upon the Myrmecocoles of Formica ulkei 
Emery. Especially Leptinus testaceus Mueller. 195. 
Rau, P. Coloration in Polistes pallipes. 34. 
Rau, P. The Biology and Behavior of Mining Bees, Anthophora abrupta and 
Entechnia taurea. 155. 
Rau, P. The Nesting Habits of the Burrowing Bee, Epinomia triangulifera, 
Vachal. 243. 
Roberts, R. Descriptions of Five New Species of Vespoid Wasps (Hymenop- 
tera). 358. 
Robertson, C. Phenology of Oligolectic Bees and Favorite Flowers. 112. 
Salt, G. and Jos. Bequaert. Stylopized Vespidae. 249. 
Schrader, F. Notes on Reproduction in Aspidiotus hederce (Coccidae). 232. 
Strand, E. Down with the Type-Cult. 228. 
Tulloch, G. S. The Proper Use of the Terms Parapsides and Parapsidal Fur- 
rows. 376. 
Van Duzee, M. C. New Species of Dolichopodidae from West Indies, 37. 
Wheeler, W. M. The Identity of the Ant Genera Gesomyrmex Mayr and 
Dimorphomyrmex Ernest Andre. 1. 
Wheeler, W. M. Two Neotropical Ants Established in the United States. 89. 
Wheeler, W. M. Note on Gesomyrmex. 91. 
Wheeler, W. M. The Ant Genus Rhopalomastix. 95. 
Wheeler, W. M. A Camponotus Mermithergate from Argentina. 102. 
Wheeler, W. M. Is N ecrophylus arenarius Roux the Larva of Pterocroce storeyi 
Withycombe. 313. 
