216 Mr. J ©. Westwood’s descriptions of 
near the base; they are subtrigonate, rather curved, the 
inner apical angle being produced to a point ; the tarsi are 
elongated, the basal joint moderately dilated, with the 
sides: parallel, and about as long as the remainder of the 
tarsal joints united. ‘The wings are brownish, with the 
veins fulvous; the stigma brown. 
Pl. LV. fig. 4, A. calida magnified; 4a, antenna; 
4b, mandible; 4c, tongue and labial palpi; 4d, terminal 
segments of the abdomen beneath; 4e, hind lee. 
Nomia tridentata, (PI. LV. fig. 5.) 
Nomia tridentata, Smith, Trans. Ent. Soc. Lond. (1875), 
p. 64, pl. i. fig. 10 (posterior leg). 
(= Nomia crudelis, Westw., MS., ante, p. 208.) 
Nigra, capite et thorace pubescentia densa lutescenti 
indutis, facie subalbidé, antennis castaneis, abdomine 
nigro, luteo-setoso, marginibus seementorum luridis aut 
luteo-griseis, setis magis fulvis; femoribus posticis valde 
incrassatis, fere globosis, subtus dentibus tribus acutis 
armatis ; tibius elongato-trigonis, angulo interno apicali 
longe elongato, apice acuto. 
Long. corp. lin. 43; expans. alar. antic. lin. 74. 
Habitat Gambia, Afric. tropic. In Mus. Britann., 
Hopeiano Oxoniz et Smith. 
Pl. IV. fig. 5, Nomia tridentata magnified; 5a, the 
hind leg. 
Nomia patellifera. (PI. LV. fig. 6.) 
Nigra, opaca, cinereo-setosa, facie lutescenti setosa, 
abdominis segmentis tenue albido-marginatis ; femoribus 
tiblisque castaneis basi et apice pallidioribus, tarsis anticis in 
patellam magnam planam albam dilatatis, femoribus posticis 
clavatis, subtus dente parvo unico armatis; tibiis medio- 
eriter dilatatis, angulo interno apicali elongato acumi- 
nato. (Mas.) 
Long. corp. lin. 5; expans. alar. antic. lin. 9. 
Habitat apud Promont. Bonz Spei. In Mus. Smith. 
The curiously dilated anterior tarsi of the male are quite 
characteristic of this species, which is rather slender and 
delicately punctured; the face is thickly clothed with 
dull-luteous hairs; the antennze are slender and black, 
pitchy beneath ; the thorax is ovate, obscure black, with 
the sutures tinged with brown ; the scutellum simple ; the 
tegulz are dark brown; the metathorax clothed with grey 
hairs; the abdomen is elongate-obovate, finely punctured, 
