l6o ENTOMOLOGICAL NEWS. [May, 



and continue every other Saturday during the collecting season. Atco, N. 

 J., has been selected as the first excursion ground. All are cordially 

 invited. The early morning train will be taken. 



Identification of Insects (Imagos) for Subscribers. 



Specimens will be named under tiie following conditions : ist, The number of species 

 to be limited to Iwonty-five for each sending; 2d, The sender to pay all expenses of trans- 

 portation and the insects to become the property of the American Entomological Society ; 

 3d, Each specimen must have a number attached so that the identification may be an- 

 nounced accordingly. Exotic species named only by special arrangement with the Editor, 

 who should he consulted before specimens are sent. Send a 2 cent stamp with all insects 

 for return of names. Before sending insects for identification, read page 41, Vol. III. 

 Address all packages to Entomological News, Academy Natural Sciences, Logan 

 Square, Philadelphia, Pa. 



Hntomological Litera.tu.re. 



SociETAS Entomologica, vii, 16, Zurich-Hottingen, Nov. 15, 1892. 

 — Orthoptera Centrali-Americana, Dr. H. de Saussure, — 17, Dec. i, 1892. 

 Pieris rapce in North America, J. B. Smith. 



Fourth Annual Report of the Missouri Botanical Garden, 

 pp. 181 — 226, St. Louis, March 9, 1893. — Further studies of Yuccas and 

 their pollination, W. Trelease, pis. i — 10, 15 — 23. Concerning "the rela- 

 tionship of the Yuccas to one another and to their pollinators, the 

 Pronuba moths." 



Annual Report of the Wyoming Agricultural College and- 

 Experiment Station for the year 1892. Laramie, Wy., February, 1893. 

 — No. 7, Insecticides, F. J. Niswander. 



CoMPTES Rendus. Societe de Biologie, Paris, March 4, 1893. — Note 

 on a singular rotating movement of the head of a Culicid larva, S. Jour- 

 dain. — March 11, 1893. On the structure of the fibrillae of the yellow 

 muscles of Dytiscus and Hydrophilus in the state of repose, F. Tourneaux. 



ZoE, iii, 4, San Francisco, January, 1893.— A new jumping spider, J. L. 

 Curtis. Notes on Histeridae observed in San Diego Co., F. E. Blaisdell. 



ZooLOGiscHER Anzeiger, Leipsic, February 27, 1893. — On the devel- 

 opmental history of the Phytophthires, J. Krassilstschik, figs. — March 13, 

 1893. Note on an intercalary stage in Julid males, C. VerhoeflT. Com- 

 parative anatomy and systematic position of the Phytopthires, J. Kras- 

 silstschik (cont.). Note on the parasitism of Chelifers on beetles, S. J> 

 Hickson. 



The Annals and Magazine of Natural History, London, March, 

 1893. — The affinities and origin of the Tardigrada, Prof J. von Kennel 

 (transl. Sitzb. Natf Gesell. Univ. Dorpat ix, iii, 1892). On the embryology 

 of the mites — Ixodes, J. Wagner (trans. Zool. Anz. Aug. 29, 1892). 



