423 Hemiptera. 



31893 Grassi, B. 57.52 Aphididae : 15 



1909. Ulterior! ricerche sui Fillosserini. XV. Rend. Accad. Lincei (•'») 

 Tol. 18 Sem. 1 p. e67— 661. 15.6 



94 Grassi, B. 57.52 Aphididae: 15 



1909. Ulteriori ricerche sui fillosserini. XIX. Rend. Accad. Lincei (5) 

 Vol.18 Sem. 2 p. 417-422. [Cicli evolutivi.] 15.6 



95 Mordwilko, A. 67.52 Aphididae : 15 



1909. Beitrage zur Biologie der Pflanzenlause. Aphididae Passerini. Die 

 zyklische Fortpflanzung der Pflanzenlause. Biol. Centralbl. Bd. 29 p. 

 82—96, 97—118, 147—160, 104—182, 2 figg. 15.6 



96 Webster, F. M. 57.52 Aphididae : 15 



1909. Aphides on Gladiolus. Canad. Entom. Vol. 41 p. 424. 



97 Borner, [Carl]. 57.52 Aphididae : 15.6 



1909. Untersuchungen iiber die Chertniden. Mitt. biol. Anst. Land- 

 Forstwirtsch, Heft 8 p. 50 — 60. — Untersuchungen iiber die Phylloxeri- 

 nen (Reblaus und verwandte Formen). p. 60 — 72, 4 figg. [Ein- und raehr- 

 geschlechtliche Generationen.] 



98 Gillette, C. P. 67.52 Aphididae : 16.5 



1909. Plant Louse Notes, Family Aphididae, Jonrn. econ. Entoni. YoL 

 2 p. 385-388, 19 figg. 



99 Murtfeldt, Mary E. 57.52 Ajihididae : K o 



1909. Fntomological Notes for Missouri for the Season of 1908. Jout:i. 

 econ. Entom. Vol. 2 p. 218—220. 

 81900 Tull^ren, Albert. 57.52 Aphididae (4) 



1909. Aphidiologische Studien. Arkiy Zool. Bd. 5 No. 14, 190 pp., 92 

 figg. [4 nn. spp. in: Pachi/pappa, Prociphilus, Pemvhigus 2.] 



(43.43,.61,.91, 48.1-.8) 



01 Del Guercio, G. 57.52 Aphididae (45) 



1909. Contribuzione alia conoscenza del Lacnidi italiani. Morlologia, 

 sistematica, biologia generale e loro importanza economica. Redia Vol. 

 5 p. 173—359, 12 tav., 32 figg. [22 nn. spp. in: Trama 3, Dryaphis 5v 

 Lachniella n. g. 9, Eulachnus (n. g. pro Lachnus agilis) 5.] 



(45.3 .5) 



02 Borcea, I. '" 57.52 Aphididae (498) 



1909. Contribu^iuni la catalogul aphidelor din Romania. Public. Fond, 

 Adamachi Acad, romane Bucnresci T. 5 p. 1—42. 



03 Gillette, C. P. 57.52 Aphididae (73) 



1909. Plant Louse Notes, Family Aphididae. Jonru. econ. Entom. VoU 

 2 p. 351—357, 1 pi. (74.4,.7,.9, 75.3, 77.2-.4,.8, 78.1,.8, 79.5,.7> 



04 Wilson, H. F. 57.62 Aphididae (73) 



1909. Some New Records of Aphididae in North America, Journ. ec<:u. 

 Entom. Vol. 2 p. 346—350, 2 figg. (75.3, 79.4) 



05 Davis, John J. 57.62 Aphididae (77) 



1909. Two New Genera and Species of Aphididae. Ann. «^ntom. S'lc. 

 America Vol. 2 p. 196 — 200, 1 pi. [2 nn. spp. in : Phymatosiphum n. ;;; , 

 Idiopterua n. g.] (77.3,.8) 



06 Gillette, C. P. 67.52 Aphididae (78.8) 



1909, Two little-known Aphids on Carex sp. Entom. News Vol. 20 p. 

 119—122, 1 pi. 



07 Dayidson, W, M, 57.52 Aphididae (79 4) 



1909, Notes on Aphididae Collected in the Vicinity of Stanford Uni- 

 versity. Journ. ecoii. Entom. Vol. 1 p. 299 — 305. [5 nn, spp. in: Lach- 

 nus 2, Cladobius, Siphocoryne, Macrosiphum.] 



08 Del Guercio, G. " 57.52 Aphididae (79 4) 



1909. Concerning Two New Genera and Three New Species of Aphids of 

 California. Pomona Journ. Entom. Vol. 1 p. 73 — 75. [Translation 

 from Riv. Patol, veget. Ann. 3.] 

 31909 Essi?, E. 0. 57,52 Aj»hididae (79.4) 



1909. Aphididae of Southern California I. Pomona Journ. Entom. Vol. 

 1 p. 1 — 10, 7 figg. [3 nn. spp. in : Lachnus, Ehopalosiphum, Pentphigus.\ 

 - II, p. 47—52, 4 figg, 



15. L 1910. 



