49 Insecta. 
Titles. 
3500 
Handlirsch, A. Ueber fossilo Insek- 
ton. Congr. intornat. Ent. Mem. 
Bruxelles 1 1911 (177-184) pis. vi-x. 
1006 
Hansen, Victor. Danmarks Scyd- 
maenidae. [The Scydmaenidae of 
Denmark.] Kobenhavn Ent. Medd. 
(2 R) 4 1911 (189-220). [ Coleoptera .] 
1007 
Hardy, A. D. The stinging of Gryllo- 
talpa coarctata by Diamma, bicolor . 
Viet. Nat. Melbourne 28 1911 (33-38). 
[ Hymenoptera.] 1008 
Hart, C. A. Miscellaneous economic 
insects. Rop. Entomol. Illinois 26 
1911 (68-98). 1009 
Hartmann, F. Beitriige zu Badens 
Kaferfauna. ii. Freiburg i. B. Mitt. 
Landesver. Natk. Nr. 261-255 1911 
(1-16 30-38). [ Coleoptera .] 1010 
Hasebroek, K. Uober Cymatophora 
or F. ab. albingensis Warn. Congr. 
internal. Ent. Mem. Bruxelles 1 1911 
(79 & 80). [Lepidoptera. j 1011 
Hasebroek, K. Ueber die Einwirkung 
der Rontgenstrahlen auf die Entwick- 
lung der Schmetterlinge. Congr. 
internat. Ent. Mem. Bruxelles 1 1911 
(195-198). [ Lepidoptera .] 1012 
Hasegawa, Mot. Ueber das Ver- 
halten verschiedener Wassertiere zum 
Sauerstolfgehalt des Wassers nebst 
Beobachtungen fiber die Bedeutung 
der Hautatmung bei Amphibien und 
Insekten. Arch. Hyg'. Miinchen 74 
1911 (194-210). 1013 
Hasper, Martin. Zur Entwicklung 
der Gesehlechtsorgane von Ghironomus. 
Zool. Jahrb. Jena Abt. f. Anat. 31 1911 
(543-612) 3 Taf. [Diptera.] 1014 
Hauser, G. Zwei neue Coptolabrus- 
Formen. D. ent. Zs. 1911 (654-656). 
[ Coleoptera .] 1015 
Headlee, T. J. A brief report on the 
work now being prosecuted by some 
economic entomologists in the State 
universities, agricultural colleges, and 
experiment stations of the United 
States. J. Econ. Ent. Concord N.H. 
4 1911 (35-47). 1016 
Heath, E. F. Notes of captures of 
Lepidoptera at sugar and light during 
1910 at my farm on the Long river, 
near Cartwright, Southern Manitoba, 
and also of the results of the over- 
hauling of several cases of duplicates. 
(n 9180 j) 
Canad. Entom. London Can. 43 1911 
(245-250). 1017 
Hebard, Morgan vide Rohn, James 
A. G. 
Hefferan, Mary vide Jordan, E. O. 
Hegner, Robert W. Experiments 
with chrysomelid beetles. Biol. Bull. 
Woods Hole Mass. 19 1910 (18-30). 
[Coleoptera.] 1018 
Hegner, Robert W. Experiments 
with chrysomelid beetles. 3. The 
effects of killing parts of the eggs of 
Leptinotarsa decemlineata. Biol. Bull. 
Woods Holo Mass. 20 1911 (237-251). 
[Coleoptera.] 1019 
Hegner, R. W. The germ-cell 
determinants of chrysomelid beetles. 
1. The germ-cell determinants. 2. 
The results of removing the germ-cell 
determinants. Rep. Mich. Acad. Sci. 
Lapsing 11 1909 (120-122). [Coleo- 
ptera.] 1020 
Hegner, R. W. The germ-cell 
determinants in the eggs of chrysomelid 
beetles. Science New York 33 1911 
(71-72). [Coleoptera.] 1021 
Heidemann, Otto. Some remarks on 
the eggs of North American species of 
Hemiptera-Heteroptera. Washington 
D.C. Proc. Ent. Soc. 13 1911 (128-140) 
pis. ix-xii. 1022 
Heidemann, O. A new species of 
North American Tingitidae. Washing- 
ton D.C. Proc. Ent. Soc. 13 1911 (180- 
181). [Heteroptera.] 1023 
Heikertinger, Franz. Die Halti- 
cinengattung Ochrosis Foudr. Arch. 
Natg. Berlin 77 Bd 1 Suppl.-H. 1 1911 
(19-34) [Coleoptera.] 1024 
Heikertinger, Franz. Die Halti- 
cinengattung Neocrepidodera (nov. gen.). 
Arch. Natg. Berlin 77 Bd 1 Suppl.-H. 1, 
1911 (34-38). [Coleoptera.] 1025 
Heikertinger, Franz. Beobachtun- 
gen fiber geographische Einfliisse auf 
Form und Farbung bei Halticinen 
Nebst synonymischen Bemerkungen 
und Neubeschreibungen. D. ent. 
Nationalbibl. Berlin 2 1911 (118-120 
164-166 186-188). [Coleoptera.] 1026 
Heikertinger, Franz. Skizzen zur 
Verbreitungsgeographie der palaarkti- 
schen Halticinen. D. ent. Nationalbibl. 
Berlin 2 1911 (172-174). [Coleoptera.] 
1027 
d 12 
