160 
Psyche 
^December 
Hood, J. D. Tylothrips bruesi, a New Thysanopteron from Florida. 35 
Manter, J. A. Magicicada septemdecim Linn., Brood XI, in Connecticut 
(Hemiptera: Cicadidae). 158 
Obraztsov, N. S. Species of the Amata ( Syntomis ) pjeifferae group (Lepi- 
doptera: Ctenuchidae). 29 
Roth, L. M. and E. R. Willis. Intra-Uterine Nutrition of the “Beetle- 
Roach” Diploptera dytiscoides (Serv.) during Embryogenesis, 
with Notes on its Biology in the Laboratory (Blattaria: Diplop- 
teridae). 55 
Severin, H. C. A Gynandromorph of Melanoplus mexicanus mexicanus 
(Saussure) Extreme Migratory Phase (Orthoptera: Acrididae). 
104 
Valentine, B. D. The Identity of Macrocephalus bidens Olivier, 1795, 
with a Review of the Genus Toxonotus Lacordaire (Coleoptera: 
Anthribidae). 98 
Willey, R. Lippitt. A Terrestrial Damselfly Nymph (Megapodagrionidae) 
from New Caledonia. 137 
Wilson, E. 0. Ecology and Behavior of the Ant Belonopelta deletrix 
Mann (Hymenoptera: Formic-idae). 82 
Division of Labor in a Nest of the Slavemaking Ant Formica wheeleri 
Creighton. 130 
The Status of the Ant Genus Microbolbos Donisthorpe. 136 
Wilson, E. 0. and W. L. Brown, Jr. Revisionary Notes on the Sanguinea 
and Neogagates Groups of the Ant Genus Formica. 108 
Young, F. N., T. H. Hubbell, and D. W. Hayne. Further Notes on the 
Habits of Geotrupes (Coleoptera: Geotrupidae). 53 
