Séance du 9 avril 1890. lxi 



Argijuuis. — F. P. Pascoe. Additioual notes on tlie genus Hillpus 

 (2 pi.). 

 Insect-Life, II, 7. 8 et 9, 1890, — D. W. Cuouilletï. The use of Hydro- 

 cyanic acid gas for tlie destruction of tlie Ued Scale. — Gooper Cur- 

 TiGE. The larvoc of Hypoderma bovis do Geer. — The imported 

 Gipsy Moth [Ociieria dispar L.), fig. — Irrigations and injurious 

 Insects. — W. M. Wheeler. Note on the oviposition and i^mbryonic 

 developpment of Xiphidium ensifcrum Scud. — G. V. Riley. The 

 six-spolted mite of tho Orange [Teiramjchm 6-maculatus, n. sp.), 

 fig. — Hague Harrington. Harpiphorm maculatus Norton. — 

 F. M. Webster. Adults of tlie American Cimbex injuring the Willow 

 and Cottonwood iti Nebraska (fig.). — A. Bellevoye, Reims : 01)- 

 servations on Moriomorium Pharaonis Latr. — D. W. Goquillett. 

 The Dipterous parasite of Diabrotica soror (fig.). — 0. Ludger, Spi- 

 losoma fuUginosa L. (fig.). — A grub supposed to hâve travoled in 

 human body {iig.). — The Uogwood Saw-Fly : Harpiphorus varia- 

 nus Norton (fig.). — G. V. Uiley. Platijpsyllus. — Eggand ultimate 

 larva (fig.). — L. 0. Howard. Some new parasites of the Grain 

 Plant-Louso (fig.). — G. V. Riley. An Australian Hymenopterous 

 parasite of the Fluted Scale (fig.). — Id. Some Insects Pests of the 

 house hold (fig.). — L. 0. Howard, Two Spider-egg parasites (fig.). 



— A. GiARD. On the parasitic castration of Typhlocyba by the larva 

 of a Dipter [Atelenevra spuria Meig.). — A poisonous Spider in Ma- 

 dagascar. — Lord Walsingham. Steps towards a Revision of Gham- 

 bers Index, Avith notes and descriptions of new Species. 



Naturalista siciliano (11), IX, 4, 1890. — B. Grassi et G. Rovelli. I 

 progenitori dei Miriapodi o degli Insetti, Mem. VI : II sistema dei 

 Tisanuri fondato sopratutto sullo studio dei Tisanuri italiani. — 

 E. Ragusa. Note lepidotterologiche. 



Naturaliste (Le), l"'' avril 1890. — Sur quelques types remar(iuables de 

 Ghampignons entomophytes (fig.)- — A. Oranger, Grustacés : ré- 

 colte et préparation (fig.). — Edm. André. La Mouche du Houx. 



l'syche, IV, 138-140, 1890. — F. Karsch. The Entomocecidia, Intro- 

 duction. — H. A. Hagen. On the Relation of Fungi to Galls and to 

 Larvte of Cecidomyia living in Galls. — Tables. 

 V, n"' 167-168, 1890. — The Corn Delphacid, Delpliax maidis. 



— A. S. Packard. The partial Life-history of Pseudohazis eglante- 

 riiia, with remarks on the larvœ of allied gênera. — J. J. Rivers. 

 The Argynnides of North America. — S. H. Scudder. Diary of a 



