10 Insecla. 
XII. Insecta. 
[1918] 
Bacot, A. A note on the period during 
which the eggs of Stegomyia fasciata 
( Aedes calopus) from Sierra Leone stock 
retain their vitality in a humid tempera- 
ture. Parasitology Cambridge 10 1918 
(280-283). [Diptera.] 44 
Bacot, A. Mosquitoes and the danger 
of malaria in England. Essex Natural. 
Stratford 18 1918 (241-263) pis. iv-vi. 
[ Diptera .] 45 
B agnail, R. S. Brief descriptions of 
new Thysanoptera, ix. Ann. Nat. Hist. 
London 1 1918 (201-221). 46 
B agnail, R. S. On two species of 
Physothrips injurious to tea in India, 
Bull. ent. Res. London 9 1918 (61-64). 
[ Thysanoptera.] 47 
Bagnall, R. S. On the rubber 
Thrips (Physothrips funtumiae Bagn.) 
and its allies. Bull. ent. Res. London 
9 1918 (65-70). [ Thysanoptera.] 48 
Bagnall, R. S. Records and descrip- 
tions of some British Campodeidae. 
Ent. Mo. Mag. London 54 1918 (109- 
113). [Aptera.] 49 
Bagnall, R. S. On two new species of 
Gampodea. Ent. Mo. Mag. London 54 
1918 (157-159). [Aptera.] 50 
Bagnall, R. S. On a new species of 
Gampodea ( G . devoniensis sp. n.) from 
South Devon. Ent. Mo. Mag. London 
54 1918(277). [Aptera.] 51 
Bagnall, R. S. Primitive-tails, bristle- 
tails and spring-tails, iii. The blind 
bristle -tails — Campodeidae. V asculum 
Hexham 4 1918 (13-22). [Aptera.] 52 
Bagnall, R. S. The dancers of the 
torrent. Vasculum Hexham. 4 1918 
(53-57) [Diptera.] 53 
Bagnall, R. S. and Harrison J. W. H. 
A preliminary catalogue of British 
Cecidomyidae (Diptera) with special 
reference to the gall -midges of the north 
of England. Trans, ent. Soc. London 
1917 1918 (346-426). 54 
Bagnall, R. S. and Harrison, J. W. H. 
New and rare British Cecidomyidae, iii. 
Ent. Rec. London 30 1918 (67-68). 
[Diptera.] 55 
Bagnall, R. S. and Harrison, J. W. H. 
On some cynipid oak-galls new to the 
British fauna. Ent. Mo. Mag. London 
54 1918 1177-182). [llymenoptera.] 56 
Baker, A. C. Our birch Symydobius 
distinct from the European. (Aphididae, 
Homoptera). Canad. Entom. London 
Can. 50 1918 (318-320). 57 
Baker, A. C. The dimorphs of species 
of Chaitophorus. Proc. biol. Soc. 
Washington 31 1918 (85-88). [Ho- 
moptera.] 58 
Baker, A. C. Another Toxoptera 
feeding on sedge (Homoptera, Aphididae). 
Psyche Boston 25 1918 (88-93). 59 
Ball, E. D. A new genus and three 
new species of North American Membra- 
cidae. Proc. biol. Soc. Washington 31 
1918 (27-30). [Homoptera.] 60 
Ball, E. D. The phlepsids of Mexico 
and Central America. Ann. ent. Soc. 
Amer. Columbus 11 1918 (381-389) 
pis. xxxiii & xxxiv. [Homoptera.] 61 
Ball, F. J. Le dimorphisme saison- 
nier des androconia chez certains 
Lbpidoptcres. Ann. Soc. Zool. malacol. 
Belgique Bruxelles 48 1914 (141-143). 
62 
Ballowe, H. L. The breeding of 
mosquitoes in alkaline water. Psyche 
Boston 25 1918 (96). [Diptera.] 63 
Ballowitz, E. Ueber die Samen- 
korper der Libellen — i die Spermien und 
Spermiozeugmen der Aeschniden. Arch, 
mikr. Anat. Bonn 90 2 1918 (169-185) 
pis. i & ii. [Paraneuroptera.] 64 
Ballowitz, E. Spermiozeugmen bei 
Libellen. Biol. Centralbl. Leipzig 16 
1916 (209-216). [Paraneuroptera.] 65 
Bang, B. Kvaegmyg som Aarsag 
til Sygdom. Simulium as the cause of 
cattle diseases. K0benhavn, Mdskf. 
Dyrl. 30 1918 (148-179) 2 figs. [Diptera.] 
66 
Banks, N. Index to the literature of 
American economic entomology, Janu- 
ary, 1, 1905 to December 31, 1914. 
Melrose Mass. 1917 (x 323). 67 
Banks, N. The termites of Panama 
and British Guiana. Bull Amer. Mus. 
New York 38 1918 (659-667) pi. li. 
[Isoptera.] 68 
Barber, H. G. Concerning Lygaeidae 
No. 1. J. New York ent. Soc. 26 1918 
(44-46). No. 2 (49-65). [Hcteroptera .] 
69 
