213 Hemiptera. 



43327 Gabon, A. B. 57.52 Aphididae 



1910. Some Synonymy and other Notes on Aphidiinae. Proc. entoui. 

 Soc. Washington Vol. 12 p. 179—180. 



28 Niisslin, 0. 57.52 Aphididae 



li>10. Erganzungen und Berichtigungen zu der Mitteilung : Ueber den 

 Zusammenhang zwischen Pemphigus bumeliae und P. poschingeri in Nr. 26 

 Bd. XXXIII (1909) S. 836 und Nr. 24/25 Bd. XXXIV (1909) S. 741 dieser 

 Zeitschrift. Zool. Anz. Bd. 36 p. 293—294. [P. p. zerfallt in 2 Artbe- 

 standteile, der eine als Exsulantes-Serie Prociphilus nidificus Low ange- 

 horend, der andere Proc. bumeliae Schrk.] 



29 Oestlund, 0. W. 57.52 Aphididae 



1910. Dates of Koch's Genera as Published in die Pflanzenlause. Entom. 

 News Vol. 21 p. 317-319. 



30 Wilson, H. F. 57.52 Aphididae 



1910. A key to the Genera of the Subfamily Aphididinae and notes on 

 Synonymy. Ann. entom. Soc. America Vol. 3 p. 314—325. [lllinoia n. 

 g. pro Myzus liriondri, Coloradoa pro Aphis rufomaculata.] 



31 Wilson, H. F. 57.52 Aphididae 



1910. A List of the Genera Described as New from 1758 to 1909 in the 

 Family Aphididae. Entom. News Vol. 21 p. 147—156. 



32 Wilson, W. F. 57*52 Aphididae 



1910. A Key to the Genera and notes on the Synonymy of the tribe 

 Callipterini, Family Aphididae. Canad. Entom. Vol. 42 p. 253—259. 



33 Wilson, H. F. 57.52 Aphididae 



1910. A Second Paper on the Genera in the Subfamily Callipterinae. 

 (Containing the Tribes Pterocommini, Chaitophorini and Vacuini.) Canad. 

 Entom. Vol. 42 p. 384 — 388. [Tkomasia n. g. pro Chaitophorus populi- 

 cola.] 

 43334 Wilson, H. F. 57.52 Aphididae 



1910. Notes on the two Papers on Aphididae by Rafinesque. Proc. en- 

 tom. Soc. Washington Vol. 12 p. 27—30. 



35 Grassi, B. 57.52 Aphididae : 11.044 



1910. Osservazioni intorno al fenomeno della rudimentazione nei Fillos- 

 serini (Nota 23a). Reud. Accad. Lincei Vol. 19 Sem, 1 p. 51—56. 



36 Mopabhjiko, AJieKcaHTTB. Mordwilko, Alexander. 57.52 Aphididae : 11.6 



1901. Kb Siojiorin h Mop<jf)OJioriH TJiefi (ceM. Aphididae Pass.) HacTb II. 

 Pad. JIa6. 300JI. Kad. BapinaBCK. Vhhb. — Trav. Lab. Cab. zool. Univ. Vai- 

 sovie 1S99, 947 pp., 45 figg. [Zur Biologie und Morphologie der Pflan- 

 zenlause (Fam. Aphididae Pass.) Teil II.] 14.98, 15.2,.3,.4,.7 



37 von Baehr, W. B. 57.52 Aphididae : 13.11 



1909. Die Oosenese bei einigen viviparen Aphididen und die Sperma- 

 togenese von Aphis saliceti, mit besonderer Beriicksichtigung der Chroma- 

 tinverhaltnisse. Arch. Zellforsch. Bd. 3 p. 269-333, 4 Taf. 



38 Morgan, T. H. 57.52 Aphididae : 13.11 



1909. A Biological and Cytological Study of Sex Determination in Phil- 

 loxerans and Aphids. Journ. exper. Zool. Vol. 7 p. 239 — 352, 1 pi., 

 23 figg. [The chromosomes as such can not be male or female deter- 

 mining.] 



39 Morgan, T. H. 57.52 Aphididae : 13.11 



1910. The Chromosomes in the Parthenogenetic and Sexual eggs of 

 Phylloxerans and Aphids. Proc. Soc. exper. Biol. Med. N. Y. Vol. 7 p. 

 161—162. 



43340 Pierantoni, Umberto. 57.52 Aphididae : 14.65 



1910. Origine e struttura del corpo ovale del Dactylorius citri e del cor- 

 po verde dell' Aphis brassicae. Boll. Soc. Natural. Napoli (2) Vol. 24 p. 

 1 — 4. — Ueber den Ursprung und die Struktur des eiformigen Korpers 

 von Dactylopius citri und des griinen Korpers von Aphis brassicae. Soc. 

 eutom. Jahrg. 25 p. 61—62. 



25. II. 1911. 



