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 Macrosiphum tana- 
ceti Linnaeus ( Aphididse Homoptera), 66. 
Weiss, H. B. Notes on the Puffball Beetle, Ccenocara oculata (Say), 92. 
Weiss, H. B. & West, Erdman Notes on Llvia 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. 
