Fairchild, G. B. Notes on Neotropical Tabanidae VIII. The Species Des- 
cribed by J. C. Fabricius. 17 
Gotwald, William H., Jr., and William L. Brown, Jr. The Ant Genus 
Simopelta (Hymenoptera : Formicidae). 261 
Gurney, Ashley B. and Louis M. Roth. Two New Genera of South Amer- 
ican Cockroaches Superficially Resembling Lohoptera, with Notes on 
Bionomics (Dictyoptera, Blattaria, Blattellidae). 196 
Kormilev, Nicholas A. Two New American Aradidae (Hemiptera: Hete- 
roptera). 26 
Kukalova, Jarmila. Protelytroptera from the Upper Permian of Australia, 
with a Discussion of the Protocoleoptera and Paracoleoptera. 89 
Lawrence, John F. and Hans Reichardt. Revision of the Genera Gnotus 
and Fabrasia (Coleoptera: Ptinidae). 30 
Levi, Herbert W. American Spider Genera Theridula and Paratheridula 
(Araneae: Theridiidae) . 123 
McCrone, John D. and Herbert W. Levi. Postembryological Development 
of Spiderlings from Two Peruvian Latrodectus Populations. 180 
Muma, Martin H. Burrowing Habits of North American Solpugida 
(Arachnidae) . 251 
Nutting, W. L. Colonizing Flights and Associated Activities of Termites. 
I. The Desert Damp-Wood Termite, Paraneotermes simplicicornis 
(Kalotermitidae) . 131 
Nutting, W. L. Distribution and Biology of the Primitive Dry-Wood Ter- 
mite Pterotermes occidentis (Walker) (Kalotermitidae). 165 
Reichardt, Hans. Revisionary Notes on the Genera of Eucheilini (Coleop- 
tera, Carabidae). 8 
W hitehead, Donald R. A Review of Halocoryza Alluaud, with Notes on its 
Relationship to Schizogenius Putzeys (Coleoptera: Carabidae). 217 
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