Séance du 13 mai 1891. lxxxv 



et SiDNEï Olliff. Iiisect 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'J, 1891, 4. — J. Dennler. La Fausse-Teigne (trad. par 

 J. Barbiche). — A. Wallès. Le Moineau est-il insectivore ? 



Association française pour l'avancement des Sciences, 19"^ session, Li- 

 moges, 1890, II. — H. ViALLANES. Sur quelques points de l'histoire 

 du développement embryonnaire de la Mante religieuse (Mantis reli- 

 giosa). — Cn, Brongniart. Insectes fossiles du terrain houiller pour- 

 vus de six ailes. — M. Nicolas. Étude sur les Hyménoptères du 

 mont Ventoux. 



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



Échange (U), I à VI, n°= 1 à 72, 1885-1890 ; VII, n°^ 73 à 76, 1891. 



Entomological Society of Washington (Proceedings), U, 1, 1891. — 

 E. A. ScHWARz. A List of the blind or nearly eyeless Coleoptera hi- 

 Iherto found in North America. — G. V. Riley. Notes on the larva of 

 Platypsyllus. — D"" G. Marx. A Contribution to the knowledge of 

 North American Spiders (1 pi. n.). — Marlatt. Xanthium trypeta 

 [Trypeta xqualis Lw.), fig. — D'' H. Fox. New North American spe- 

 cies of the genus Erigone. — E. A. Schwarz. Labeling spécimens. 



— C. H. Tyler Townsend. Hemiptera collected in Southern Michi- 

 gan. — C.V. Riley. On the difficulty of dealing with Lachnosterna. 



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

 phus and X. dispar (flg.). — L. 0. Howard. The habits of Eurytoma. 



— 0. Heydemann. Note on the occurrence of a rare Gassid near 

 Washington (fig.). — E. A. Schwarz. Coleoptera on black Locust 

 fRobiiiia pseudacacia). — Notes on the breeding Habits of sorae Sco- 

 lytids. — C. L. Marlatt. Observations on the Habits of Vespas. — 

 L. 0. Howard. A new remarkable Genus of Encyrtinse. — G. 0. 

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

 upon warm-blooded Animais. — C. H. Tyler Townsend. The North 

 American gênera of Calyptrate, Muscidœ, I. — C. 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. — 

 CL. Marlatt. The final Molting of Tenthredinid Larvœ. — C. H. 

 Tyler Townsend. Note on the Gênera Triptotricha Lw. and Agno- 

 tomyia Wiil. — P. R. Uhler. Observations on some remarkable 



