1912. Entomol. Litteraturblatter Jahrgang XII. No. 7. 147 



Boletin de la R. Sociedad Espafiola de Historia 



Natural. Tomo 12, No. 3—4 c. hiiiiina. Madrid, 



Marzo y Abril de 1912. 



Entomologischer Inhalt: Garcia Mercet,R., Un afeli- 



nino nuevo de EspaQa (c. 2 fig.). Fg. 150 — 153. — Escalera, 



M. M. d e 1 a, 2 nuevas especies espaflolas del genero Asida. Pg. 



166 — 168. — Garcia Mercet, R., Afelininos espaöoles (c. 



3 fig.). Pg. 218—215. 



Preis des Jahrganges: 10 Mark. 



Arbeiten des Entomologischen Bureaus 

 der Hauptver Wartung für Agrar Organi- 

 sation und Landwirtschaft in St. -Peters- 

 burg (russ.). Tome 9, No. 9. St.-Petersbourg 1912. 

 Inhalt: P o r t c h i n s ky , J. A., Le sorbier (Sorbus aucu- 

 paria) et le pommier dans nos jardins par rapport aux insectes 

 nuisibles qui les habitent (av. 18 fig.). Pg. 1 — 63. 

 Preis: 8 Mark. 



Psyche, a Journal of Entomology, publ. by the Cambridge 



Entomological Club. Vol. 19, No. 2 w. 2 (1 color.) plates. 



Boston, Mass., April 1912. 



Entomologischer Inhalt: The Stanford Expedition to Brazil, 



1911. Mann, W. M., Parabiosis in Brazilian Ants. Pg. 36—41. 



Cockerell, T. D. A., New Bees from Brazil. Pg. 41—61. 



R h w e r , S. A., A new Sawfly from Brazil. Pg. 62 — 63. — 



Alexander, Ch. F., A peculiar new Crane-Fly from Porto Rico 



(w. pl. 5). Pg. 63 — 66. — Matausch, J., Observations on 



Micoutalis calva Say (w. 1 fig.). Pg. 66—69. — Rau, Ph., The 



Period of Incubation of the Eggs of Samia cecropia. Pg. 69 — 70. 



Preis des Bandes (6 Hefte): 9 Mark. 



JournalofExperimental Zoolog y. Vol. 12, No, 4 

 w. 11 plates. Philadelphia, Fa., May 20 th 1912. 



Entomologischer Inhalt: Morgan, T. H,, The Elimination 

 of the Sex Chromosomes from the male-producing Eggs of Fhyllo- 

 xerans (w. 29 fig.). Pg. 479—498. 



Preis des Bandes: 22 Mark. 



R. Friedländer & Sohn, Berlin N.W., Karlstr. ii. 



