39 Insecta. 
Titles. 
3500 
Gibson, A. and Swaine, J. M. Charles 
Gordon Hewitt. Bibliography by 
C. B. Hutchings. Canad. Entom Lon- 
don Can. 52 1920 (97-105) portrait. 747 
Giffard, W. M. A review of the 
organization of the hawaiian entomo- 
logical Society and brief mention of 
some of its more notable achievements 
in Hawaii by its members. Proc. 
hawaii. ent. Soc. Honolulu 4 1920 
(363-373). 748 
Gilbert, P. A. A dipterous parasite 
of nestling birds. Emu Melbourne 19 
1920 (48 & 49). 749 
Gimingham, C. T. A chalcid parasite 
of Endomychus coccineus Entomologist 
London 53 1920 (98-100). [Hymeno- 
ptera.] 750 
Ginzberger, A. [and others]. Bei- 
trago zur Naturgcschichtc dcr Scoglien 
und klcineren Inseln Siiddalmaticns. 
Denkschr. Ak. Wiss. Wien 92 1916 
(261-404) 8 pis. [Insecta pp. 341-396]. 
751 
Girault, A. A. Several new Chalcid 
flies from Australia. Redia Firenze 14 
1918 (1-3). [ Hymenoptera .] 752 
Girault, A. A. New Chalcid Parasites 
from Malaya. J. Straits Br. R. Asiat. 
Soo. No. 80 1919 (165-168). [ Hymeno - 
ptera.] 753 
Girault, A. A. New serphidoid, cyni- 
poid and chalcidoid Hymenoptera. Proc. 
U.S. Nat. Mus. Washington 58 No. 2332 
1920 (177-216). 754 
Girault, A. A. New genera and species 
of Chalcid-flies from Australia ( Hy- 
menoptera ). Insec. inscit. Washington 8 
1920 (37-50). 755 
Girault, A. A. New genera and species 
of Australian Mymaridae ( Hymeno- 
ptera ). Insec. inscit. Washington 8 1920 
(96-100). 756 
Girault, A. A. New genera of Chalcid- 
flies from Australia ( Hymenoptera ). 
Insec. inscit. Washington 8 1920 
(142-146). 757 
Girault, A. A. New genera and 
species of Australian Trichogramma- 
tidae ( Hymenoptera ). Insec. inscit. 
Washington 8 1920(199-203.) 758 
Glenn, P. A. Forms of the oyster- 
shell scale in Illinois. J. econ. Ent. 
Concord 13 1920 (173-178). [ Hymeno- 
ptera .] 759 
Goding, F. W. The known Mem- 
bracidao of Ecuador. Ent. News 
Philadelphia 31 1920 (135-136, 155- 
159). [Homopterd.] 760 
Goetghebuer, — . Les Dixidae de Bel- 
gique. Bull. Soc. ent. Belgique Brux- 
elles 2 1920 (18-29). [Dipteral 761 
Goetghebuer, M. Ceratopogoninae de 
Belgique. M4m. Mus. Belgique 
Bruxelles 8 fasc. 3 1920 (1-116) figs. 
1-126. [Diptera.] 761a 
Goetghebuer, — . et Tonnoir, A. 
Catalogue raisonn6 des Tipulidao do 
Belgique. Bull. Soc. ent. Belgique 
Bruxelles 2 1920 (104-112, 131-147). 
[Diptera.] 762 
Gofferje, M. vide Koch and Gofferje. 
Goldschmidt, R. Mechanismus und 
Physiologie des Geschlechtsbestim- 
mung. Berlin Borntracgcr 1920 (viii 
-f 251). [Lepidoptera.] 763 
Goldschmidt, R. Untersuchungen zur 
Entwicklungsphysiologie des Flugel- 
musters der Schmetterlinge. I. Mittei- 
lung : Einige Vorstudien. Arch. Ent- 
wicklungsmechanik Berlin 47 1920 
(1-24) pis. i-iv. [Lepidoptera.] 764 
Goodacre, W. A. Diseases of bees in 
New South Wales. Agric. Gaz. N.S.W. 
Sydney 31 1920 (883-888) figs. [ Hy- 
menoptera.] 765 
Goudie, J. C. Notes on the Coleo- 
piera of north-western Victoria. Vic- 
torian Natural. Melbourne 37 1920 
(28-34). 766 
Govven, J. W. A biometrical study of 
crossing over. On the mechanism of 
crossing over in the third chromosome 
of Drosophila melanog aster. Genetics 
Princeton N. J. 4 1919 (205-250). 
[Diptera.] 767 
Grabham, M. C. Iridomyrmez humi- 
lis : a contribution to the life-history cf 
the Argentine ant. Rep. Brit. Ass. 
London 1919 1920 (209). [Hymeno- 
ptera.] 768 
Gramann, A. Ueber die Aberrationen 
der Lepidopteren und deren Ursachen. 
Mitt. Schweiz, ent. Ges. Bern 9 1920 
(67-70). 769 
Grandi, G. Studio morfologico e 
biologico della Blastophaga psenes (L.). 
Boll. Lab. Portici 14 1920 (63-204) 
and Ann. Scuola Port. 16 1920 (1-144). 
[Hymenoptera.] 770 
