Seance du 13 mai 1891. LXXXV 



et SIDNEY OLLIFF. Insect Larva (Cecidomyia sp.) eating Rush on 

 Wheat and Flax. A. SIDNEY OLLIFF. Entomological Notes. Ma 

 chines and Processes for destroying Insect and Fungus Pest. 



Apiculteur (L ), 1891, 4. J. DENNLER. La Fausse-Teigne (trad, par 

 J. BARBIGHE). A. WALLES. Le Moineau est-il insectivore ? 



Association francaise pour I avancement des Sciences, 19 e session, Li 

 moges, 1890, II. H. VIALLANES. Sur quelques points de 1 histoire 

 du developpement embryonnaire de la Mante religieuse (Mantis reli- 

 giosa). GH. BRONGNIART. Insectes fossiles du terrain houiller pour- 

 vus de six ailes. M. NICOLAS. Etude sur les Hymenopteres du 

 mont Ventoux. 



Cincinnati Society of Natural History (Journal), XIII, 4, 1891. 



Echange (U), I a VI, n os 1 a 72, 1885-1890 ; VII, n os 73 a 76, 1891. 



Entomological Society of Washington (Proceedings), II, i, 1891. 

 E. A. SCHWARZ. A List of the blind or nearly eyeless Goleoptera hi 

 therto found in North America. G. V. RILEY. Notes on the larva of 

 Platypsyllus. D r G. MARX. A Contribution to the knowledge of 

 North American Spiders (1 pi. n.). MARLATT. Xanthium trypeta 

 (Trypeta xqualis Lw.), fig. D r H. Fox. New North American spe 

 cies of the genus Erigone. E. A. SCHWARZ. Labeling specimens. 



G. H. TYLER TOWNSEND. Hemiplera collected in Southern Michi 

 gan. G. V. RILEY. On the difficulty of dealing with Lachnosterna. 



E. A. SCHWARZ. Note on the food-habits of Xyleborus tachygra- 

 phus and X. dispar (fig.). L. 0. HOWARD. The habits of Eurytoma. 



0. HEYDEMANN. Note on the occurrence of a rare Gassid near 

 Washington (fig.). E. A. SCHWARZ. Goleoptera on black Locust 

 (Robinia pseudacacia). Notes on the breeding Habits of some Sco- 

 lytids. G. L. MARLATT. Observations on the Habits of Vespas. 

 L. 0. HOWARD. A new remarkable Genus of Encyrtinae. G. 0. 

 MARX. On the effect of the Poison of Lathrodectus mactans Walck. 

 upon warm-blooded Animals. G. H. TYLER TOWNSEND. The North 

 American genera of Calyptrate, Muscida3, I. -- G. L. MARLATT. 

 Notes on the genus Metopius, with description of a new species and 

 table of the species (fig.). L. 0. HOWARD. The Habits of Pachy- 

 neuron (fig.). E. A. SCHWARZ. Contribution to the Life-history of 

 Corthylus punctatissimus, and description of C. spinifer, n. sp. 

 C. L. MARLATT. The final Molting of Tenthredinid Larvas. C. H. 

 TYLER TOWNSEND. Note on the Genera Triptotricha Lw. and Agno- 

 tomyia Will. P. R. UHLER. Observations on some remarkable 



