Vol. XXVlii ] ENTOMOLOGICAL NEWS. 379 



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

 derivatives to insects, 447, ix, :i71-81. 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. Quelquea 

 donnees sur la structure du systeme ncrveux intestinal dcs insectes, 

 549, i, 176-80. 



PHYSIOLOGY AND EMBRYOLOGY. Patterson & Porter- 

 Studies on the biology of Paracopidosomopsis. II. Spermatoge- 

 nesis of males reared from unfertilized eggs, 198, xxxiii, 38-4S. 

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

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



MEDICAL. Herms, 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 Sotnato- 

 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, 533, 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 (Rhopalosiphtmi 

 nympheae), 179, x, 350-3. Distant, W. L. On ?ome Rhynchota of 

 economic importance from Colombia, 313, vii, :;si-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, 



