1909. Entomol. Litteraturblätter Jahrgang IX. No.7. 137 
Slingerland +. Pg. 217. — Abbott, J. F., Orthopteran Misce- 
genation. Pg. 219. — Shull, A. F., Some apparently new 
Thysanoptera from Michigan (w. 7 fig.). Pg. 220. — Franklin, 
H. J., On Thysanoptera (w. 2 fig.). Pg. 228. — Van Duzee, 
E. P., North American Heteroptera. Pg. 231. — Editorial, ete. 
Pg. 235 — 240. 
Preis des Bandes (10 Nummern): 8,50 Mark. 
— 

ee 
The American Naturalist. Vol. 43, No. 509. Lancaster, 
Pa., May 1909. 
Entomologischer Inhalt: Forbes, S. À. The general ento- 
mological Ecology of the Indian Corn Plant. Pg. 286-301. — 
Experimental Zoology: Morgan, T. H,, Are the Drone Eggs of 
the Honey-Bee fertilized? Pg. 816— 317. 
Preis des Jahrganges (12 Nummern): 22 Mark, 
Preis der Einzelnummer: 2 Mark. 
Journal of Morphology. Vol. 20, No. 1 w. 25 plates. 
Philadelphia, Pa., April 1909. 
Entomologischer Inhalt: Kepner, W. A, Nutrition of the 
Ovum of Scolia dubia (w. pl. 1-2). Pg. 125—141. 
Preis dieses Heftes: 18 Mark. 
Biological Bulletin of the Marine Biological Laboratory 
Woods Hole, Mass. Ed. by E. G. Conklin and others. 
Vol. 16, No. 5 w. 3 plates. Lancaster, Pa., April 1909. 
Entomologischer Inhalt: Foot, K, and Strobell, E. C., The 
Nucleoli in the Spermatocytes and germinal Vesicles of Euschistus 
variolarius (w. pl. 1-3). Pg. 215-2388. — Stockard, Ch. R., 
Inheritance in the ,,Walking-Stick“, Aplopus Mayeri (w. 3 fig.). 
Pg. 289—245. 
Preis des Bandes (6 Hefte): 15 Mark. 
Preis des Einzelheftes: 3,50 Mark. 

Bulletin of the Wisconsin Natural History Society. 
Ed. by Ch. T. Brues. New Series, Vol. 6, No. 3—4 
w. 3 plates. Milwaukee, Oct. 1908. 
R. Friedlander & Sohn, Berlin N.W., Karlstr. 11. 
