236 Index [Oct.-Dec. 



Plath, O. E. Notes on the Nesting Habits of Several North American 

 Bumblebees, 189. 



Robertson, C. Synopsis of Panurgidae (Hymenoptera), 159. 



Taylor, L. H. Notes on the Biology of Certain Wasps of the Genus 

 Ancistrocerus (Eumenidae), 48. 



Uichanco, L. B. Biological Notes on Parthenogenetic Macroslphum tana- 

 ceti Linnaeus (Aphididae Homoptera), 66. 



Weiss, H. B. Notes on the Puffball Beetle, Ccenocara oculata (Say), 92. 



Weiss, H. B. & West, Erdman Notes on Livia maculipennis Fitch, 226. 



Wheeler, W. M. Ants of the Genus Formica in the Tropics, 174. 



Wheeler, W. M. & Chapman, J. W. The Mating of Diacamma, 203. 



