146 Inaecta. 
XII. Insecta. 
[1919j 
HYMENOPTERA. 
The classification and phylogeny of 
Hymenoptera, Borner Biol. Zentralbl. 
39 pp. 145-186. 
Synonymy of numerous genera of 
Hymenoptera, Bradley pp. 60-75 Tr. 
ent. Soc. London 1919. 
Synonymy of British Aculeata, Per- 
kins pp. 8-12 Ent. Mo. Mag. 55. 
List of Hym. of Fiji, 53 spp., Turner 
pp. 334-346 Tr. ent. Soc. London 1918. 
Origins of parasitism in Aculeata » 
Wheeler pp. 1-40 Proc. Amor. Phil. 
Soc. 58. 
Aculeata and spiders ; the mimicry 
question, Heikertingen Biol. Zen- 
tralbl. 39 pp. 352-363. 
Apidae. 
Importance of genera, Stevens 
Science 49 p. 71 ; Robertson T.o. 
p. 432. 
The sense of form and oolour in boos , 
Frisch Zool. Jalirb. Allg. 35 pp. 1-182; 
5 pis., 1914. 
Colour-sense of bees, Frisch ^Biol. 
Zenti^albl. 39 pp. 122-139. 
Senses of bees, in relation with their 
visiting of flowers, Frisch ZooL 
Jahrb. Allg. 37 pp. 1-238, figs. 
Sex determination, parthenogenesis 
and phylogeny of bees, Armbruster 
Zool. Jahrb. Syst. 40 pp. 323-388 pi. xv, 
1916. 
A catalogue of the Danish bees, 
continued, Jorgensen K^benhavn, 
Flora og Fauna 1919 pp. 24-28, 44-48, 
to be continued. 
Annotated list of bees from Algeria, 
Alfken pp. 185-237 M6m. Soc. ent. 
Belgique 22 1914. 
Pupation of Apis, Arnhart Biqh 
Zentralbl. 39 pp. 494-497. 
The Canadian representatives of 
British bees, Sladen p. 124-130 Canad. 
Ent. 51. 
Variation in size of males, Perkins 
p. Ixviii Pr. ent. Soc. London 1918. 
Physiological effects of bee’s poison, 
Arthus C.R. Soc. Biol. 82 p. 412. 
Agapostemon radiatus portoricensis 
subsp. n. p. 209, Cockerell P.U.S. 
nat. Mus. 55. 
Ammobates erythropus sp. n. Algeria 
p. 236, Alfken Mem. Soc. ent. Belgique 
22, 1914. 
Andrena ; the British species char- 
acters and habits, iPerkins pp. 218- 
305 pis. xi-xiii Tr. ent. Soc. London 
1919. — Andrena, hibernation. Box p. 89 
Ent. mo. Mag. 55. — A. nitida var. n. 
algeriensis p. 210, Alkfen Mem Soc. 
ent. Belgique 22, 1914. — A. dorsala and 
similis, stylopized, Perkins p. 181 Ent. 
^To. Mag. 55. — .4. Julva, Coi'eman 
P.Z.S. 1918 pp. 304-306. — A. percontasa 
sp. n. Colorado Miocene p. 640, Cocker- 
ell Philadelphia, Proc. Acad. 66 1915. 
Anthidium pundaturn v&r. n. bequaerti 
p. 204, Alfken Mem. Soc. ent. Belgique 
22 1914. 
Anthophora villosula var. n. malaccen’ 
sis Perak p. 611, Friese Zool. Jahrb. 
Jena, Abt. System. 41 1918. — A. 
coelestina sp. n, p. 117, Cockerell Ann. 
Durb. Mus. 2. — A. subinsularis Strand 
a distinct species, Cockerell p. 192 
Ann. nat. Hist. 3. 
Anylaeus subg. n. vide Nothylaeus. 
Bombus rufipes var. n. intermissus 
Sumatra p. 516, eximius var. n. lutescens 
Siid-China p. 519, Friese Zool. Jahrb. 
Jena, Abt. System. 41 1918. — B. 
neoboreus sp. n. Canada p. 28o, sylvicola 
var. n. johanseni p. 30g, Sladen Rep. 
Canad. Arctic Exp. 3. 
Cenlris elegans grenadensis subsp. 
n.p. 186 ; calloxantha p. 187, ddorura 
p. 188, pachysoma p. 189, Peru, mer~ 
rillae Brazil, lilacina Peru, p. 191, 
schtvarzi Guatemala p. 192, spp. n. ; 
bimaculata carrikeri subsp. n. Venezuela 
p. 188, fusciventris varr. n, caurensis and 
matoensis p. 189 ; Cockerell P.U.S. 
nat. Mus. 55. 
Ceratina canarensis sp. n. India p. 195, 
Cockerell Ann. Nat. Hist. 3. — C. 
penangensis p. 244, xanlhura p. 245, 
Penang, pyramidalis p. 246, incerta, 
conscripta p. 247, selangorensis, collusor 
p. 248, accusator p. 249, spp. n. Malay 
penins., Cockerell T.c. — C. cladura 
p. 173, obtusicauda p. 174, acuticauda, 
bryanti, p. 175, Java, buscki Panama 
p. 176, spp. n., Cockerell P.U.S. nat. 
Mus. 55. 
