15 Insecta. 
Titles. 
3500 
Bickhardt, H. Neue Histeriden und 
Bemerkungen zu bekannton Arten. 
Ent. Blatter Berlin 10 1914 (309-316). 
[Coleoptera.] 170 
Bickhardt, H. Stammbaum der 
Insekten von Wilk. Bolsche. Ent. 
Blatter Berlin 13 1917 (54 and 55). 171 
Bickhardt, H. Georg von Seidlitz. 
Ent. Blatter Berlin 13 1917 (239-248) 
portrait. 172 
Bickhardt, H. Dio Histeriden dor 
Gorningschon Insoktonsammlung im 
naturhistorischen Museum zu Wies- 
baden. Ent. Blatter Berlin 13 1917 
(256-261). [Coleoptera.] 173 
Bickhardt, H. Oliviersche Typon im 
Wiesbadener Naturhistorischen Mu- 
seum. Ent. Blatter Berlin 14 1918 (26). 
[Coleoptera.] 174 
Bickhardt, H. Eino neue afrikan- 
ischo Histeridengattung. Ent. Blatter 
Berlin 14 1918 (170-172). [Coleoptera.] 
175 
Bickhardt, H. Neue exotische Histeri- 
don und Notizen zu bekannton Arten. 
Ent. Blatter Berlin 14 1918 (233-244). 
[Coleoptera.] 176 
Bickhardt, H. Neue paiaarktische 
Histeriden und Bemerkungen zu be- 
kannton Arten. Ent. Blatter Berlin 14 
1918 (226-232). [Coleoptera.] 177 
Bickhardt, H. Neue Histeriden aus 
dom ungarischen National-Museum und 
Bemerkungen zu bekannten Arten. 
Ann. Mus. Hungar. Budapest 16 1918 
(283-297). [Coleoptera.] 178 
Bickhardt, H. Eino neue indomala- 
yische Histeridengattung. Ent. Blatter 
Berlin 15 1919 (213-216). [Coleoptera.] 
179 
Bischolf, H. Uobor oinon Fall von 
schoinbarom lateralem Gynandromor- 
phismus boi Perineura ruhi Panz. S. B. 
Ges. naturf. Fr. Berlin 1919 1919 (70 
and 71). [Hymenoptera.] 180 
Bishopp, F. C. and Laake, E. W. The 
dispersion of flies by flight. J. econ. 
Ent. Concord 12 1919 (210). [Diptera.] 
181 
Bishopp, F. C. and Wood, H. P. 
Mites and lice on poultry. Farmers’ 
Bull. U.S. dep. Agric. Washington 801 
1919 (30 pp.). [Lipoptera.] 182 
Blackman, M. W. Notes on forest 
insects. i. On two bark-beetles 
attacking the trunks of whit© pine trees. 
Psycho Boston 26 1919 (86-96) pi. iv 
[Coleoptera.] 183 
Blackman, M. W. Notes on forest , 
insects. ii. Notes on several species 
of Pityophthorus breeding in the limbs 
and twigs of white pine. Psyche 
Boston 26 1919 (134-142) pis. vii-ix. 
[Coleoptera.] 184 
Blair, K. G. A synonymic note. 
Ent. Mo. Mag. London 55 1919 (101- 
103). [Coleoptera.] 185 
Blair, K. G. Notes on the Pythidae 
with descriptions of new species. Ent. 
Mo. Mag. London 55 1919 (112-124). 
[Coleoptera.] 186 
Blair, K. G. Coleoptera Heteromera 
collected in Korinchi, West Sumatra, 
by Messrs. H. 0. Robinson and C. 
Boden Kloss. J. Fed. Malay St. Mus. 
Singapore 8 pt. 3 1919 (73-80). 187 
Blair, K. G. Notes on the australian 
genus Cestrinus Er. (fam. Tenebrioni- 
dae) and some allied genera. Proc. 
Linn. Soc. N.S.W. Sydney 44 1919 (529- 
632). [Coleoptera.] 188 
Blaisdell, F. E. ^'udies in Alaudes. 
Trans, amor. ent. Soc. Philadelphia 45 
1919 (307-313). [Coleoptera.] 189 
Blaisdell, F. E. Synopsis and review 
of the species of Goelus {Coleoptera, 
Tenebrionidae). Trans, amer. ent. Soc. 
Philadelphia 45 1919 (315-334) pi. xxxii. 
190 
Blanc, H. Surla biologic du Dixipptis 
morosus. C.R. Lausanne Bui. Soc. Sci. 
Nat. 49 1913 (1914) (xxv-xxviii). 
[Orthoptera.] 191 
Blatchley, W. S. Insects of Florida. 
6a. Supplementary notes on the water 
beetles. Bull. Amer. Mus. New York 
41 1919 art. iv (305-322). [Colex)plera.] 
192 
Blatchley, W. S. Some new or 
scarce Coleoptera from western and 
southern Florida, ii and iii. Canad. 
Entom. London Can, 51 1919 (28-32, 
65-69). 193 
Bodkin, G. E. Notes on the Coleo- 
ptera of British Guiana. Ent. Mo. Mag. 
London 55 1919 (210-219 264-272). 194 
