184 1909. Entomol. Litteraturblätter Jahrgang IX. No. 9. 
The Entomological Society of America and its Work. Pg. 152. 
— Girault, A. A, Further biological Notes on the Colorado 
Potato Beetle, including Observations on the Number of Generations 
and Length of the Period of Oviposition. Pg. 155. Monographie 
Catalogue of the Mymarid Genus Alaptus Haliday, with Descriptions 
of 3 new North American Forms and of Alaptus iceryae Riley 
from Type Material (w. 5 fig). Pg. 179. — Severin, H. P. 
and H. C. M., Internal Organs of Reproduction of the male Saw- 
Fly (w. pl. 12). Pg. 196—204. — Davis, J. J., Studies on 
Aphididae. I (w. pl. 21—23). Pg. 251. — Riley, W. A, 
Muscle Attachment in Insects (w. pl. 24 and 1 fig). Pg. 265. 
-— Needham, J.G, On the Classification of the Corduliinae (w. 2 
fig). Pg. 273. — Howard, L. 0., Key to the Species of Pro- 
spaltella, with Table of Hosts and Description of 4 new Species. 
Pg. 281. — Hood, J. D., 2 new Species of Idolothrips (w. 2 
fig.). Pg. 285—289. 
Preis des Jahrganges: 20 Mark. 
The Journal of Experimental Zoülogy. Vol. 6, No. 4. 
Philadelphia, Pa., June 1909. 
Entomologischer Inhalt: Hegner, R. W., The Effects of cen- 
trifugal Force upon the Eggs of some Chrysomelid Beetles (w. 
24 fig.). Pg. 507—552. — Reiff, W., Contributions to expe- 
rimental Entomology. Pg. 558 - 569. Aj 
Preis des Bandes: 22 Mark. 
Biological Bulletin of the Marine Biological Laboratory 
Woods Hole, Mass. Ed. by E. G. Conklin and others. 
Vol. 17, No. 2 w. 4 plates. Lancaster, Pa., July 1909. 
Entomologischer Inhalt: Turner, C. H, The Mound of Po- 
gonomyrmex badius Latr. and its Relation to the Breeding Habits 
of the Species (w. 8 fig.). Pg. 161—169. 
Preis des Bandes (6 Hefte): 15 Mark. 
Preis des Hinzelheftes: 3,50 Mark. 
The Canadian Entomologist, ed. by C. J. S. Bethune. 
Vol. 41, No. 7. Guelph, Ont., July 1909. 
R. Friedlander & Sohn, Berlin N.W., Karlstr. 11. 
