343 Hemipterii 



Allied Species. C«nad. Eutoiii. Vol. 50 p. 89— 1>4, 20 figg. [Aphix theo- 

 baldi and Siphoovryne essigi nn, epp.] (74.4,. 7, 77.4, 78 8) 



213962 Dewltz, J. ol.oi Aplildae : 11.4.> 



1916. Uebtr die Einwirkunp der PHanzensohmarotzer auf die Wiitptianze. 

 Nat. Zeitschr. Forst-Landwirtsch. Jahr^. 14 p. 288—294. [llamolyaierendi 

 Gitte aus zerriebenen BlattlauKen.] 



53 Dewitz, .1. 57.52 Apliidae : 11.4') 



15*17. Ueber Hamolysine (Apliidolysine) bei Pfianzeni£lusen. Zool. Anz. 

 Bd. 48 p. 389 — 39(>. — Serobiologische Studien fiber Blattlause und dore?i 

 Wirtspflanzen, von Thikm. Nat. Wocheiisclir. Rd. S2 p. 257 — 2<iO. 



54 Baker, A. C. 57.62 Aphidufc : i4.8S 



1917. Some Sensory Structures in the Aphididae. Canad. Entoiu. Vol. 4'> 

 p. 378—384, 48 tigg. 



55 Zweigelt, Fritz. 57.52 Apliidae : li> 



1917. Blattlausgallen, unter besonderer Beriicksichtigung der Anatomi<- 

 und Aetiologie. Centralbl. Bakt. Parasit. Iiifektionskr. Abt. 2 Bd. 47 

 p. 408-535, 32 figg. 



56 Patch, Edith M. 57.52 Aphidae : 15.;> 



1914. Food Plant Catalogue of the Aphidae of the World. Parr IV. (Pap. 

 Maine agric. Exper. Stat. Entom. No. 72.) .Wth ann. Rep. Maine agric. 

 Exper. Stat. Bnll. No. 225 p. «1— 08. 



57 Patch, Edith fl. 57.52 Aphidae: I5.:i 



191»j. Concerning Problems in Aphid Ecology. (Pap. Maine agric. Exper. 



Stat. Entom. No. 84.) Jonru. econ. Entoni. Vol. 9 p. 44—51. [Host- 

 plants.] 



58 Mocker. 57.52 Aphidae : 16.') 



1914. Blattlause. Oesterr. For^t-Jagd-Zeit^. Jahrg. 32 p. 2(iO. [Und ihrc 

 Bekampfung.] 

 213959 Allard, H. A. 57.52 Aphidae : 16.5 



1917. Further Studies of the Mosaic Disease of Tobacco. Journ. agric. 

 Research Vol. 10 p. 615-032, 1 pi. [Plant-lice may become active cai- 

 riers of the disease.] 



60 Merrill, .1. H. 57,52 Aphidae : 16..> 



1917. Further Data on the Relation between Aphids and Fire Blight 

 (Bacillus amylovorus Bur. Tbev.) (Contrib. entora. Lab. Kansas Stat<! 

 Agric. Coll. No. 21.) Journ. econ. Entom. Vol. 10 p. 45—46, 1 pi. [By 

 hatching from eggs laid in blight cankers, the aphids come in contact 

 with the fire-blight organism, they can and do inoculate trees with the 

 bacteria of fire-blight. J 



61 Ross, William A. 67.52 Aphidae : 16.:") 



1917. General Notps on Aphides which Occur on Apple Trees. 47th ann. 

 Rep. entom. Soc. Ontairio p. 43—49. 



62 Jackson, Dorothy J. 57.52 Aphidae (41.16) 



1918. Notes on the Aphide.s of Ro.gs-Shire, with Descriptions of Two 

 Species New to Science. Scottish Natnral. 1918 p. 81 — 91. [Macrosiphum 

 allii (Lichtkkstein) and Pemphigus gtebae nn. epp.] 



6& Theobald, Fred. V. 57.52 Aphidae (42) 



191C. Aphididae found on the Apple in Britain and the Description or 

 a New Species from Africa. Canad. Entom. Vol. 48 p. 169— 177, 202—213, 

 233 — 242, 261—263, 6 figg. [Aphix pomonella n. ap. — A nigra n. nom. 

 pro A. oxyncanthae Kocu non Schbank.] (67.6) 



2189o4 Matsnmara, Sbonen. 57.52 Aphidae (52) 



1917. A list of the Aphididae of Japan, with Description of New Specie.^ 

 and Genera. Jnurn. ('oil. Ajjric. Sapporo Vol. 7 p. 351—414, 2 pis. [5V 

 nn. spp. in ; Nippocallis, n. g., YamatoeallU u. g., Acanthocallis n. g., Yezo- 

 eallis n. g. 2, Myzocaliis A, Takerallis u. g., Arakawana n. g., Chaitophorun. 

 Hannabura n. g., Fterochlorus 2, Lachnus 2, Todolachnus n. g., Nippolachnux 

 n. g. 2, Aphis 10, Hyalopterua^ Ytzabura n. g., Macrosiphum 11, Myzus 'i,Phoro- 

 don, Arimakia n. g. 2, Abura n. g., Siphocoryne 2, Melanoxanihus, Nipposi- 

 pkum n. g., Yezaphis n. g. 2, Yamataphis n. g., ToMoptera.] 16.5 (52.1 — .4,.9) 



