Vol. XXviii | ENTOMOLOGICAL NEWS. 427 



407 Journal of Genetics, Cambridge, England. 447 Journal of 

 Agricultural Research, Washington. 480 The Annals of Applied 

 Biology. 531 Boletin, Direccion de Estudios Biologicos, Mexico. 

 532 Proceedings, National Academy of Sciences of the United 

 States of America, Washington. 540 The Lepidopterist. Official 

 Bulletin, Boston Entomological Club. 543 Genetics, Princeton, 

 N. J. 550 Occasional Papers, Boston Society of Natural History. 



GENERAL SUBJECT. Brown, T. N. Personal notice by R. C. 

 Miller, 181, x, 153-5. Burge, W. E. The catalase content of lumi- 

 nous and non-luminous insects compared, 68, xlvi, 295. Chapman, 

 T. A. An instance of a double pupal skin; Injury to pupa and mal- 

 formation of imago, 8, 1917, 196-7: 216. Doane, R. W. Effect of 

 smelter gases on insects, 68, xlvi, 295-6. Gates, F. C. Synchronism 

 in the flashing of fire flies, 68, xlvi, 314. Harvey, E. N. The chem- 

 istry of light-production in luminous organisms, 259, No. 251, 171- 

 234. Herrera, M. Insectos homocromicos y mimeticos mexicanos, 

 531, ii, 83-91. Huie, L. H. Some notes on the microscopical prep- 

 aration of insects, 206, 1917, 219-229. Lyle, G. T. On the cocoon 

 colour of various insects, 9, 1917, 153-4. Silva, F. Informe del jefe 

 de la secion de Aracnalojia e insectos daninos, 406, vii, 158-93. 

 Slosson, A. T. A few memories. II, 6, xxv, 93-7- 



PHYSIOLOGY AND EMBRYOLOGY. Holt, C M. Multiple 

 complexes in the alimentary tract of Culex pipiens, 322, xxix, 607-27. 

 Lankester, E. R. The terminology of parthenogenesis, 10, cix, 

 504-5. Lecaillon, A. Sur la signification des changements de cou- 

 leur qui se produisent normalement dans certains oeufs non fe- 

 condes de Bombyx mori . . .12, 1917, 192-4. Lockhead, W. 

 Insects as material for studies in heredity, 75, 1916, 66-72. Mc- 

 Clung, C. E. The multiple chromosomes of Hesperottetix and 

 Mermiria, 322, xxix, 519-608. May, H. G. The appearance of re- 

 verse mutations in the bar-eyed race of Drosophila under experi- 

 mental control, 532, iii, 544-5. .Plough, H. H. The effect of tem- 

 perature on linkage in the second chromosome of Drosophila. 532, 

 iii, 553-5. Shull, A. F. Sex determination in Anthothrips verbasci. 

 543, ii, 480-8. Sturtevant, A. H. Genetic factors affecting the 

 strength of linkage in Drosophila, 532, iii, 555-58. Wenrich, D. H. 

 Synapsis and chromosome organization in Chorthippus curtipennis 

 and Trimerotropis suffusa, 322, xxix, 471 -."> is 



MEDICAL. Howard, L. O. The relation of insects to disease 

 in man and animals, 75, 1916, 57-62. 



ARACHNIDA, ETC. Aragas, H. de B. Ixodidas. Commissao 

 de l.inli:is Tclegraphicas Estrategicas dc Matto-Crosso ao Ama- 

 zonas (Pub. No. 36, 19 pp.). Eales, N. B. The life history and 



