Gotwald , W. H., Jr. Oecophylla longinoda, an Ant Predator of Anomma 
Driver Ants (Hymenoptera : Formicidae) . 348 
Henry, C. S. Eggs and Rapagula of Ululodes and Ascaloptynx (Neurop- 
tera: Ascalaphidae) : A Comparative Study. 1 
Hlavac, T. F. The Prothorax of Coleoptera: Origin, Major Features of 
Variation. 123 
Hoffman, R. L. On the Identity of Three Genera of Cambaloid Millipeds 
from the Australian Region (Spirostreptida). 200 
Kukalova-Peck, J. Unusual Structures in the Paleozoic insect orders Mega- 
secoptera and Palaeodictyoptera, with a Description of a New Family. 
243 
Kurczewski, F . E. and H. E. Evans. Nesting Behavior and Description of 
the Larva of Bothynostethus distinctus Fox (Hymenoptera: Sphecidae). 
88 
Mackay, I, R. A New Species of Widow Spider (Genus Latrodectus ) 
from Southern Africa (Araneae: Theridiidae) . 236 
McClusky, E. S. and JV. L. Brown, Jr. Rhythms and Other Biology of the 
Giant Tropical Ant Paraponera. 335 
Miller, R C. and F. E. Kurczewski. A Review of Nesting Behavior in the 
Genus Entomognathus, with Notes on E. memorialis Banks (Hymenop- 
tera: Sphecidae). 61 
Peck, S. B. Leiodinae and Catopinae (Coleoptera: Leiodidae) from Ja- 
maica and Puerto Rico. 49 
Platnick, N. I. Notes on the Pepinensis Group of the Crab Spider Genus 
Ebo (Araneae: Thomididae). 58 
Porter, C. C. A New Argentine Species of Coccygomimus (Hymenoptera, 
Ichneumonidae. 328 
Porter, C. C. The Genus Priotomis in Argentina (Hymenoptera, Ichneu- 
monidae). 231 
Topoff, H., K. Lawson, P. Richards. Trail Following and Its Develop- 
ment in the Neotropical Army Ant Genus Eciton (Hymenoptera: Formi- 
cidae: Dorylinae). 357 
Walker, T. J. Deciduous Wings in Crickets: A New Basis for Wing 
Dimorphism. 311 
Young, A. M . Notes on the Life Cycle and Natural History of Dismorphia 
virgo (Lepidoptera : Pieridae: Dismorphinae) in Costa Rica. 165 
Young, A. M. On the Life Cycle and Natural History of Hymenitis nero 
(Lepidoptera: Ithomiinae) in Costa Rica. 284 
Zheochovtzev, A. N. and A. P. Rasnitsyn. On Some Tertiary Sawflies (Hy- 
menoptera: Symphyta) from Colorado. 315 
J 
380 
