1906. Entomol. Litteraturblätter Jahrgang VI. No. 4. 65 
Proceedings of the Entomological Society of Wa- 
shington. Vol. 7, No. 2—3 w. 4 plates. Washington, 
D. C., Oct. 1905. 
Inhalt: Coquillett, D. W., The Linnaean Genera of Diptera. 
Pg. 66. — Hopkins, A. D., Notes on some Mexican Scolytidae, 
with descriptions of some new Species. Pg. 71. — Dyar, H. G., 
Larva of Castnia licus Drury. Pg. 83. — Caudell, A. N., Kirby’s 
Catalogue of Orthoptera. Pg. 84. — Fiske, W. F., Catogenus 
rufus, a Coleopterous parasite. Pg. 90. — Dyar, H. G., A few 
notes on the Strecker collection. Pg.92. — Banks, N., Descriptions 
of new American Spiders (w. pl. 2). Pg. 94. — Webb, J. L., 
Description of a new Species of Desmocerus, with a synoptic table 
of the Genus. Pg. 104. — Banks, N., New Trichoptera from 
Japan (w. pl. 3). Pg. 106. — Webster, F. M., A new enemy 
of Timothy. Pg. 114. — Barber, H. S., Illustrations of an undeter- 
mined Coleopterous larva. Pg. 117. — Knab, F., A new Species 
of Donacia. Pg. 122. — Caudell, A. N., The Species of the 
Genus Chimarocephala and descriptions of 2 new Species of Cali- 
fornian Orthoptera. Pg. 123. — Barber, H. S., The spread of 
Sphaeridium scarabaeoides Linnaeus. Pg. 127. — Cockerell, 
T. D. A., Notes on Eulecanium folsomi King. Pg. 129. — Banks, 
N., Descriptions of some new mites. Pg. 188. — Hopkins, A. 
D., Notes on Scolytid larvae and their mouth parts (w. pl. 4—5). 
Pg. 143. — Titus, E. 8. G, Some notes on the Provancher 
Megachilidae. Pg. 149-—152. 
Preis des Bandes (4 Nummern): 15 Mark. 
The Journal of Experimental Zoölogy. Vol. Ill, 
No. 1 w. 4 plates. Baltimore, Febr. 1906. 
Entomologischer Inhalt: Wilson, E. B., Studies on Chromo- 
somes. III. The sexual differences of the Chromosome-Groups in 
Hemiptera, with some considerations on the determination and in- 
heritance of sex. Pg. 1—40. 
Preis des Heftes: 10 Mark. 
The Canadian Entomologist, ed. by C. J.S. Bethune. 
Vol. 38, No. 2, 3. London, Ont., Febr. and March 1906. 
Inhalt: Practical and popular Entomology. X: Sherman, F., 
The Dragon-flies and Damsel-flies. Pg. 29. XI: Lochhead, W. 
Household Insects. Pg. 65. — Pearsall, R. F., What Euchoeca 
R. Friedländer & Sohn, Berlin N.W., Carlstr. 11. 
