12 Insecta. 
XII. Insecta. 
[1909] 
Bachmetjew, P. Eine Bemerkung 
zu der Abhandlung von O. Meissner : 
„Zur Frage nach der Entstehung der 
Melanose usw“. Ent. Rdsch. Stuttgart 
27 1909 (15-16). Bemerkung dazu von 
E. M. Dadd T.c. (42). 92 
Back, E. A. A new enemy of the 
Florida orange. J. Econ. Ent. Concord, 
N. H. 2 1909 (448-449). [Homoptera, 
Aleyrodidae.] 93 
Back, Ernest A. The Robber-flies of 
America, north of Mexico, belonging to 
the subfamilies Leptogastrince and 
Dasypogonince. Philadelphia Pa. 
Trans. Amer. Ent. Soc. 35 1909 (137— 
400) pis. ii-xii. [Dip ter a.] 94 
Bacot, A. vide Prout, Louis B. 
Baehr, W. B. von. Die Oogenese 
bei einigen viviparen Aphididen urd 
-die Spermatogenese von Aphis saliceti, 
mit besonderer Beriicksichtigung der 
Chromatinverhaltnisse. Arch. Zell- 
forschg Leipzig 3 1909 (269-333) 4 Taf. 
95 
Baer, W. Bemerkungen iiber Bar - 
biiistes constrictus Br. und Leptophyes 
alhovittata Kollar. Zs. wiss. Insekten- 
biol. Berlin 5 1909 (136-137). [Ortho- 
ptera.] 96 
Bagnall, Richard Siddoway. On 
Urothrips paradoxus, a new type of 
Thysanopterous Insects. Ann. Hist. 
Nat. Mus. Nat. Hung. Budapest 7 
1909 (125-136) pi. iii. 97 
Bagnall, R. S. On the Thysanoptera 
of the Botanical Gardens, Brussels. 
Bruxelles Ann. Soc. ent. Belgique 53 
1909 (171-176). 98 
Bagnall, R. S. Preliminary descrip- 
tion of a new and injurious Thrips. 
Ent. Mag. London 45 1909 (33). 
[ Thysanoptera .] 99 
Bagnall, R. S. Notes on Thysano- 
ptera ( Tubulifera ) new to the British 
iauna, with description of a new species 
of Megathrips. Ent. Mag. London 45 
1909 (129-132). 100 
Bagnall, R. S. Cryptothrips dentipes, 
a genus and species of Thysanoptera 
new to the British Isles. Irish Natural 
Dublin 18 1909 (41). 101 
Bagnall, R. S. A contribution to our 
knowledge of the British Thysanoptera 
{ Terebrantia), with notes of injurious 
species. J. econ. biol. London 4 1909 
<33-41). 102 
Bagnall, R. S. On two new genera 
of Thysanoptera from Venezulea 
Anactinothrips and Actinothrips. Lon- 
don J. Linn. Soc. Zool. 30 1909 (329- 
334) xlvi. 103 
Bagnall, Richard S. Short notes on 
some new and rare British Collembola. 
Newcastle Trans. Nat. Hist. Soc. 3 1909 
(495-509). 104 
Bagnall, R. S. On some new and 
little-known exotic Thysanoptera. New- 
castle Trans. Nat. Hist. Soc. 3 1909 
(524-540) pi. xiv. 105 
Bales, B. R. . A partial list of the 
Lepidoptera of Pickaway county, Ohio. 
Ent. News Philadelphia Pa. 20 1909 
(169-177). 106 
Balfour, A. A new locality for the 
Congo floor-maggot. «T. trop. Med. 
London 12 1909 (48). [ Diptera .] 107 
Balfour, A. A new biting fly. J. 
trop. Med. London 12 1909 (79). 
[Diptera.’] 108 
Balfour-Browne, F. The aquatic 
Coleoptera of the Solway district. Ann. 
Scot. Nat. Hist. 1909 (76-86 145-152, 
218-226) pi. i. 109 
Balfour-Browne, Frank. The life- 
history of the water- beetle. Belfast 
Rep. Nat, F. Cl. ser : 2 6 1909 (189-191). 
[Coleoptera.] 110 
Balfour-Browne, Frank. The life- 
history of the Agrionid dragonfly. 
London Proc. Zool. Soc. 1909 (253-285) 
pis. xxxiii & xxxiv. [Odonata.] Ill 
Ball, E. D. Some new North Ameri- 
can Jassidae. Canad. Entom. London 
Can. 41 1909 (77-84). [Homoptera.] 
112 
Ball, E. D. Some curious Californian 
leaf -hoppers. Canad. Entom. London 
Can. 41 1909 (182-186). [Homoptera.] 
113 
Ball, E. D. Several new western 
jassids. Ent. News Philadelphia Pa. 
20 1909 (163-168). [Homoptera.] 114 
Ball, Elmer D. Some remarkable 
new leaf-hoppers of the family Ful- 
goridce. Washington D.C. Proc. Biol. 
Soc. 22 1909 (197-203). [Homoptera.] 
115 
Ballou, H. A. Insect pests of Cacao. 
Imp. Dep. Agric. West Indies Pamphlet 
ser. No. 58 (26 pp.). 116 
