APID7E. 
Ins. 177 
Osmia nigritula , n. n. for 0. parvula D. T. nec Duf., Friese, Zeitschr. 
Hym. Dipt, ii, p. 109 ; 0. manicata 5 Morice, Ent. Mag. xxxviii, 
p. 81 ; 0. bocconis referred to Ashmeadiella , Robertson, Tr. Ac. St. 
Louis x, p. 52 ; 0. cobaltina and illinoensis are sexes of one, also 
atriventris and proximo ,, and pumila and vicina , Robertson, Ent. 
News Philad. xiii, p. 79 ; 0. papaveris , instinct, Ferton, Ann. Soc. 
ent. France 1902, p. 502 ; 0. spinulosa , nest-habits, Gehrs, Zeitschr. 
Hym. Dipt, ii, p. 4. 
0. ochraceicornis , Cerdagne, Ferton, Ann. Soc. ent. France 1902, p. 499 ; 
0. recta , p. lxiii, niveibarbis, Algeria, nassonowi , Transcaspian, p. lxiv, 
subintegra , Palestine, ciliaris , Drome, p. lxv, rondoui , Gedre, undulata , 
chobouti, fortispina, p. lxvi, marchcdi , Algeria, ravouxi, France, p. lxvii, 
rhinotropis , Catalonia, mecheriana , Algeria, p. lxviii, Perez, Pr.-verb. 
Soc. Bordeaux 1902 ; 0. major and cor data, Illinois, Robertson, Ent. 
News Philad. xiii, p. 79 ; 0. iridis , p. 816, chlorops, p. 817, New 
Mexico, Cockerell & Titus, Amer. Natural, xxxvi : n. spp. 
Pachycentris n. g., p. 186, for P. schrottkyi , n. sp., S. America, p. 187, 
Friese, Zeitschr. Hym. Dipt. ii. 
Peponapis n. g. for Macrocera pruinoscc Say, Robertson, Canad. Ent. xxxiv, 
p. 324. 
Perdita anogrce , New Mexico, Cockerell, Amer. Natuaal. 1902, p. 812, 
n. sp. 
Perditella boltonice, Illinois, Robertson, Canad. Ent. xxxiv, p. 322, n. sp. 
Phileremus major , Barcelona, p. lviii, minor , Algeria, p. lix, Perez, Pr.- 
verb. Soc. Bordeaux 1902, n. spp. 
Prosopis ; characters of N. W. German, with. critical and synonvmical 
remarks, Alfken, Zeitschr. Hym. Dipt, ii, pp. 65-91 ; Nests, 
Hoppner, Allg. Zeitschr. Ent. vii, p. 134, cut; P. annularis and 
allies, characters, Alfken, pp. 193-195, Zeitschr. Hym. Dipt. ii. 
Protanthidium rufobaltecitum , p. 125, ovatum , p. 126, rufomaculcitum , 
p. 127, Borneo, Cameron, J. Straits Asiat. Soc. xxxvii; P. cockerelli , 
Colorado, Titus, Ent. News Philad. xiii, p. 170 : n. spp. 
Psithyrus kocliakensis , Alaska, Ashmead, P. Washington Ac. iv, p. 130, 
n. sp. 
Pterandrena n. g. type A. pidchella Rob., Robertson, Tr. Amer. ent. Soc. 
xxxv, p. 194. 
Ptilandrena n. g. type A. erigenice Rob., Robertson, t. c. p. 192. 
Pihophites nigripes , Asia Minor, p. 380, hartmanni , Centr. Europe, p. 381, 
Friese, Zeitschr. Hym. Dipt, ii, n. spp. 
Sphecodes pimpinellce, Illinois, Robertson, Tr. Ac. St. Louis x, p. 51, n. sp. 
Steliclium n. g. for S. trypetinum , n. sp., Illinois, Robertson, Canad. Ent. 
xxxiv, p. 323. 
Stelis pulchra , Nebraska, Crawford, Canad. Ent. xxxiv, p. 239, n. sp. 
Synhcdonia atriventris n. f . fuscipes, Robertson, Tr. Ac. St. Louis x, p. 54. 
S. rosce, Illinois, id. 1. c.; S. illinoensis , N. America, Robertson, Canad. 
Ent. xxxiv, p. 49 : n. spp. 
Trachandrena n. g. type A. rugosa Rob., with T. obscura , n. sp., N. America, 
Robertson, Tr. Amer. ent. Soc. xxxv, p. 189. 
Triepeolus minimus , Illinois, Robertson, Ent. News Philad. xiii, p. 81, 
n. sp. 
Trigonci bipunctata , var. n. luteipennis , Friese, Zeitschr. Hym. Dipt, ii, 
p. 382. 
T. erythrogastra , p. 129, flavistigma , latebaltecita , p. 130, lacteifasciata , 
p. 131, Borneo, Cameron, J. Straits Asiat. Soc. xxxvii; T. silvestrii, 
Paraguay, p. 3S2, buyssoni , Peru, p. 383, Friese, Zeitschr. Hym. Dipt, 
ii : n. spp. 
Verbenapis subg. n. of Calliopsis, for C. verbence , Cockerell & Atkins, 
Ann. Nat. ITist. x, p. 44. 
1902. [Vol. xxxix.] 
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