172 Ins. 
HYMENOPTERA. 
Apis mellifica , sexual organs of male ; Kosciiewnikoff (483) : with 
one eye; Dittrich (189) : race from Tunis noticed; Kirby, p. xxvi, 
P. E. Soc. 1891. A. unicolor , described, pp. 1-4, figured, pi. i ; Saussuue, 
in Grandidier Hist. Nat. Madagascar, xx. 
Bombus : syuonymical and critical remarks on a large number of 
species, with special reference to the work of Radoszkowsky ; Hanu- 
lirsch, pp. 446-454, Ann. Hofmus. Wien, vi. B. latreillelus , varietal 
note, with n. var. frisius , p. 204 ; B. terrestris , n. var. schmiedeknechti ; 
B. hypnorum , n. var. hofferi, p. 205 ; Veriioeff, B. E. Z. xxxvi. B. dis- 
tinguendus , nest noticed ; Alfken, Yerh. Deutsche Naturf. 1890, ii, p. 160. 
B. terrestris } in New Zealand ; Thomson, N. Z. J. Sci. (n.s.) i, pp. 16-26. 
B. sardiniensisy p. 222, sassaricus , p. 223, Sardinia, Tournier, L’Ent. 
Genev. i ; B. simulus , Sikkim, p. 114, magrettii , p. 115, channicus , Upper 
Burma, sycophanta, Caucasus or Turkestan, p. 116, volucelloides, Chiriqui, 
p. 119, Gribodo, Bull. Ent. Ital. xxiii : n. spp. 
Centris quartincBy p. 110, Venezuela, proserpina , Brazil, p. Ill, deiopeia , 
Colombia, p. 112, Gribodo, Bull. Ent. Ital. xxiii, n. spp. 
Ceratina ccerulea : habits ; Verhoeff, p. 18, Yerh. Yer. Rheiul. xlviii. 
Cilissa cegyptiaca, n. n. for tricincta , Rad., wankoiviczi , p. 237, ruthenica y 
p. 238, Minsk, thoracica , p. 239, amurensis , media y p. 240, minor , p. 241, 
Vladivostok, Radoszkowski, Hoi*. Ent. Ross, xxv, n. spp. 
Oolletes : descriptions and figures of the male organs ; Radoszkowski, 
Hor. Ent. Ross, xxv, pp. 249-261, pis. ii & iii. 
Colletes incerta , sidemii , p. 252, jankowskyi , p. 253, Yladivostock, 
tnlokossewicziy p. 254, fasciata , Caucasus, anceps, p. 256, Caspian region, 
miocta ^ no locality, p. 257, carinata t Askhabad, p. 258, gallica (= fodiens } 
Daws.), France, p. 259, Radoszkowski, Hor. Ent. Ross, xxv ; C. spinosa , 
lutitarsis. willistoniy p. 60, heuchercc , eulophi , p. 61, illinoiensis, speciosa , 
punctata , producta } p. 62, Illinois, Robertson, Tr. Am. Ent. Soc. xviii : 
n. spp. 
Crocisa sejuncta , p. 81, pi. iii, fig. 16, subcontigua, p. 82, pi. iii, 
fig. 17, Madagascar, Saussure, in Grandidier Hist. Nat. Madagascar, xx, 
n. spp. 
Ctenoplectra cornuta , Upper Burma, Gribodo, p. 102, Bull. Ent. Ital. 
xxiii, n. sp. 
Dasypoda wankoiviczi , Minsk, Radoszkowski, p. 244, Hor. Ent. Ross, 
xxv, n. sp. 
Epeolus ruthenicus , Minsk, Radoszkowski, Hor. Ent. Ross, xxv, 
p. 245 ; E. rufoclypeus, Jamaica, Fox, p. 344, Tr. Am. Ent. Soc. xviii : 
n. spp. 
Halictus quadricinctus : habits and nests ; Veriioeff, pp. 61-71, Verh. 
Yer. Rheinl. xlviii. 
H. marchaliy France, Vachal, p. 65, Rev. d’Ent. x, n. sp. 
Heriades philadelphi, Illinois, Robertson, p. 64, Tr. Am. Ent. Soc. 
xviii, n. sp. 
Lithurgus illudenSy Mauritius, Saussure, p. 49, pi. iii, fig. 26, in 
Grandidier Hist. Nat. Madagascar, xx, n. sp. 
