128 Ins. 
HYMENOPTERA. 
natus, Kansas, p. 62, halictulus, Colorado and Utah, and fimbriatus, 
Colorado, p. 63; E. T. Cresson, Tr. Am, Ent. Soc. vii. 
Perdita (Nomioides ?) zebrata and P. affiais^ Colorado, p. 69, obscurata, 
Georgia, and interrupta^ California, p. 70 ; id. 1. c. 
Calliopsis coloradensis, p. 63, zebratus and scikilus, Colorado, and 
edwardsi, p. 64, lateralis^ California, pictipes, Colorado, and mexicanus^ 
Mexico, p. 65, illinoiensis^ Illinois, and pauper, New York, Colorado, 
p. 66, californicus and atriceps, California, atricornis and clypeatus, 
Colorado, p. 67, lepidus, Georgia, and abdorninalis, Texas, p. 68 ; id. 1. c. 
Macrotera texana, p. 70, and megacephala, Texas, californica, California, 
and cephalotesy Nevada, p. 71 ; id. 1. c. 
Osmia mandibularis, p. 102, abjecta and nigrifrons, Colorado, faceta, 
Canada, New York, &c., p. 103, armaticeps, Colorado, quadriceps,, maura, 
and cobaUina, California, &c., p. 104, coloradensis, and abnormis, Colo- 
rado, georgica, Georgia, and azteca, Mexico, p. 105, integra and margini- 
pennis, p. 106, inurbana and bella, Colorado, \-dentata, New York, and 
exigua, California, p. 107, id. 1. c. ; 0. lapidaria, p. 40, subulicornis and 
campanularis, p. 42, nitidula, p. 43, minor and dentiventris, p. 45^ and 
Jlavicornis, p. 47, F. Morawitz, Hor. Ent. Ross, xiv., Caucasus ; 0. affinis, 
Frivaldszky, Term, kozlem. xiii. p. 360, Hungary. 
Chalicodoma hungarica[-cum], A. Mocsary, Pet. Nouv. ii. p. 109 (1877), 
Buda. 
Megachile totonaca, Mexico, p. 117, mucida and gemula, Georgia, p. 118, 
palmeri, Guadalupe Isl., California, azteca, Mexico, sayi. United States, 
p. 119, Jidelis, p. 120, mellitarsis, Colorado, &c., integra, Texas, p. 121, 
manifesta, Colorado, ingenua, p. 122, georgica and avara, Colorado, &c., 
otomita, Mexico, p. 123, addenda. United States, montivaga, Colorado, 
p. 124, dejlexa, Kansas, texana, Texas, and generosa, p. 125, pinguis, 
Georgia, &c., mendica and relativa, N. America, p. 126, infragilis. New 
York, petulans, N. Carolina, Georgia, perbrevis, Texas, mexicana, p. 127, 
zapote^a, tuxtla, and tepaneca, p. 128, montezuma, toluca, and sumichrasti, 
p. 129, chinchimeca, ccelioxioides, zaptiana, and abacula, p. 130, and 
izucara, p. 131, Mexico, E. T. Cresson, 1. c. ; M. monstrifica, p. 49, pili- 
crus, p. 52, loevifrons, p. 53, and picicornis, p. 55, F. Morawitz, 1. c., Cau- 
casus ; M. bicoloriventris, A. Mocsary, Term, fuzetek, ii. p. 122, Hungary. 
Anthidium cognatum. Georgia, aztecum, Mexico, p. 109, maculosum and 
mormonum, Utah, &c., montivagum, p. \\Q, jocosum, Colorado, atriventre, 
California, ridingsi, Georgia, p. Ill, crassipes, Florida, edwardsi, Cali- 
fornia, and formosum, p. 112, venustum, Colorado, and texanum, Texas, 
p. 113, parvum, Colorado, pallidiventre, California, p. 114, lepidum, 
Georgia, ulkei, Utah, and gabbi, Costa Rica, p. 115, mexicanum, apicale, 
bivittatum, p. 116, toltecum and agnatum, Mexico, E. T. Cresson, 1. c. ; A. 
venustum and croceum, F. Morawitz, 1. c. pp. 67 & 69, Caucasus. 
Alcidamea truncata, E. T. Cresson, 1. c. p. 108, Georgia. 
Chelostoma californicum, id. 1. c., Cahfornia. 
PLeriades (P) denticulatum, id. l.c., Colorado. 
Ceratina mexicana and azteca, p. 131, ignara and cobaltina, p. 132, id. 
1. c., Mexico. 
Nomada edwardsi, OoXitovmsi, morrisoni, Colorado, and belfragii, Texas, 
