12 Insecta. 
XI. Insecta. 
[1921] 
190. — Bickhardt, H. Die Histeriden 
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II. (Dendrophilinae, Tribalini und 
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text-figg. [ Coleoptera .] 
191. — Bickhardt, H. Die Bedeutung 
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die Waldverderber. Zs. angew. Ent. 
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192. — Biener, A. Einiges uber Pam. 
nomion F. de W. D. ent. Zs. Iris. 
Dresden 35 pp. 3-4 1921. [Lepido- 
ptera .] 
193. — Bird, H. New species and life 
histories in Papaipema Sm. Canad. 
Entora. Guelph 53 1921 pp. 79-81. 
[Lepidoptera.] 
194. — Bird, H. and Jones, F. M. 
A new Papaipema from Delaware. 
Canad. Entom. Guelph 53 1921 pp. 137- 
139 pi. vi. [ Lepidoptera .] 
195. — Bischoif, H. Eine neue 
Philanthus aus Eritrea. Arch. Natg. 
Berlin Abt, A 81 Heft 3 1915 p. 156. 
[ Hymenoptera .] 
196. — Bischoff, H. Eine neue 
Trigonaloide. Arch. Natg. Berlin 
Abt. A 81 Heft 3 1915 p. 157. [Hymen- 
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197. — Bishop, G. H. Fertilization in 
the Honey-bee. I. The male sexual 
organs : their histological structure and 
physiological functioning. II. Disposal 
of the sexual fluids in the organs of the 
females. J. exp. Zool. Philadelphia 31 
1920 pp. 225-265 267-286. 
Black, A. B. vide Lathrop & Black. 
198. — Blair, K. G. Types of Helero - 
mera described by F. Walker now in 
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London 1921 pp. 268-283. [ Coleoptera .] 
199. — Blair, K. G. Notes on the 
Indian species of Hypophloeus Fabr. 
with descriptions of new species. Ent. 
Mag. . London 57 1921 pp. 1-7. 
[ Coleoptera .] 
200. — Blaisdell, F. E. Four new 
species of Melyridae. Canad. Entom. 
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ptera.] 
201. — Blaisdell, F. E. Miscellaneous 
studies in the Coleoptera. No. I. 
Canad. Entom. Guelph 53 1921 pp. 
129-132. 
202. — Blatchley, W. S. Notes on 
Indiana Halticini, with characterisation 
of a new genus and descriptions of new 
species. J. New York Ent, Soc. 29 
1921 pp. 16-27. [Coleoptera.] 
203. — Blunck, H. Kleine Beitrage 
zur Kenntnis des Geschlechtslebens und 
der Metamorphose der Dytisciden. 
3. Teil. Agabus bipustulatus L. Ent. 
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[ Coleoptera .] 
204. — Bliithgen, — . Die Halictus- 
Arten der Sammlung von Prof. Kirsch- 
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Halictus ( H . kirschbaumi und oblong - 
atulus nov. spec.) ( Hym .). Jahrb. 
Nassau. Ver. Wiesbaden 71 1919 
pp. 191-225. 
205. — Bodine, J. H. Factors influ- 
encing the water content and the rate 
of metabolism of certain Orthoptera. 
J. Exp. Zool. Philadelphia 32 1921 
pp. 137-164 6 figs. 
206. — Bodine, J. H. Some factors 
influencing the catalese content of 
organisms. J. Exp. Zool. Philadelphia 
34 1921 pp 143-148 3 figs. [Insects.] 
207. — Bogdanov-Katkjov, N. Materi- 
aux pour servir a 1’etude des Gnathos- 
ines (Coleoptera, Tenebrionidae). Rev. 
Russe Ent. Petrograd 16 1916 pp. 
68-71 figs 1 & 2. 
208. — Bokor, E. Ein neuer Blindkafer 
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209. — Boker, E. Beitrage zur 
Kaferfauna Ungarns. Ent. Mitt. 
Berlin 10 1921 pp. 156-161, 169-174. 
[Coleoptera.] 
210. — Bolle, H. J. Der voile Erfolg 
der biologischen Bekampfung der 
Schildlaus des Maulbeerbaumes ( Diaspis 
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3 1916 pp. 124-126. [Homoptera.] 
211. — Bolle, H. J. Tiber die Bekam- 
pfung des Holzbohrwurmes (Anobium) 
in einen alten Kunstwerke. Zs. angew. 
Ent. Berlin 3 1916 pp. 172-178. 
[Coleoptera.] 
