\'ol. XXviii] ENTOMOLOGICAL NEWS. 379 



insects, 513, xiii. 191-5. Moore, W. — Toxicity of various benzine 

 derivatives to insects, 447, ix, 371-81. Vorhies, C. T. — Notes on 

 the fauna of Great Salt Lake, 3, li, 495-9. Wilson, T.— Obituary 

 note by C. G. Hewitt, 4, 1917, 289-90. Zavarzin, A. — Quelques 

 donnees sur la structure du systeme nerveux intestinal des insectes, 

 549, i, 176-80. 



PHYSIOLOGY AND EMBRYOLOGY. Patterson & Porter- 

 Studies on the biology of Paracopidosoniopsis. II. Spermatoge- 

 nesis of males reared from unfertilized eggs, 198, xxxiii, ,38-48. 

 Shaffer, E. L. — Mitochondria and other Cytoplasmic structures in 

 the spermatogenesis of Passalus cornutus, 198, xxxii, 407-34. 



MEDICAL. Harms, W. B. — A state wide malaria-mosquito 

 survey of California, 179, x, 359-70. Zetek, J. — The ecology of 

 bubonic plague, 180, x, 198-206. 



ARACHNIDA, ETC. Hirst, S.— On the occurrence of a pseudo^ 

 parasitic mite (Cheletiella parasitivorax) on the domestic cat, 11, 

 XX, 132-3. Patten, B. M. — Reactions of the whip-tail scorpion to 

 light, 184, xxiii, 251-75. 



Emerton, J. H. — New spiders from Canada and the adjoining 

 States [17 new], 4, 1917. 261-72. Ewing, H. E. — A synopsis of the 

 genera of beetle mites with special reference to the North Ameri- 

 can fauna [12 n. gen.]. 180. x, 117-132. 



NEUROPTERA, ETC. Campion, H.— On Fabricius's types of 

 Odonata in the British Museum (N. H.), 11, xix, 441-50. Combs, 

 A. F. — Notes on a collection of Odonata from Schoolcraft County, 

 Michigan, 507, No. 41, 8 pp. Williamson, E. B. — An annotated list 

 of the Odonata of Indiana, 478, No. 2, 12 pp. 



Currie, B. P. — Gomphus parvidens, a n. species of dragonfly from 

 Maryland, 50, liii, 223-6. Kennedy, C. H. — A new sp. of Somato- 

 chlora (Odonata), with notes on the Cingulata-group, 4, 1917, 

 229-36. McGregor, E. A. — Six new sps. of Mallophaga from North 

 American mammals. 180, x, 167-78. 



ORTHOPTERA. Hebard, M.— The Blattidae of North Amer- 

 ica, north of Mexico, 633, 2, 284 pp. 



HEMIPTERA. Baker & Davidson— A further contribution to 

 the study of Erisoma pyricola, the woolly pear aphis, 447, x, 65-74. 

 Davidson, W. M. — The reddish-brown plum aphis (Rhopalosiphum 

 nympheae), 179, x, 350-3. Distant, W. L. — On some Rhynchota of 

 economic importance from Colombia, 313, vii, 381-2. Ferris, G. F. 

 — Methods. for the study of mealy-bugs, 179, x. 321-5. Gibson, E. H. 

 — Key to the species of Leptoglossus occurring north of Mexico, 



