236 Mr. T. D. A. Cockerell— Descriptions and 
species differs principally as follows:—Sixth abdominal 
seement without lateral teeth; flagellum normal, not espe- 
cially thickened ; mesothorax more coarsely and densely 
punctured; hind femora and tibiz stouter. There is no 
material difference in the venation. The species is more like 
the European H. adunca than the species of the United 
States. 
Pasiphaé cyanea melanura, subsp. n. 
2 .—No red hair at end of abdomen, that on each side of 
apical plate greyish black (sooty); tegule shining black. 
Wings quite dusky. 
Chubut, Patagonia (from W. F. H. Rosenberg). U.S. 
National Museum. The typical form is from Tierra del 
Fuego, about 600 miles southward. 
Nomada carearanensis, sp. n. 
g .—Length 10 mm. 
Robust, with white pubescence in supraclypeal region, on 
sides and posterior part of thorax, and underside of abdomen. 
Head bright ferruginous, with the clypeus, very large cunei- 
form lateral marks, malar space, and base of mandibles light 
lemon-yellow ; face broad, inner orbits practically parallel; 
mandibles simple ; labrum red, very hairy ; eyes pale reddish 
grey ; face and front with coarse punctures, but a smooth line 
down middle of clypeus; scape bright ferruginous; flagellum 
ferruginous, strongly suffused with blackish above, except 
at base; third antennal joint much longer than fourth, but 
not quite solong as fourth and fifth combined; region of 
ocelli blackened ; mesothorax red, with a strong median 
channel, which is blackish ; surface of mesothorax shining, 
with very large, irregular, partly confluent punctures; Axillee 
and the bilobed scutellum brighter red than mesothorax ; 
yellow band on prothorax, and the tubercles, two spots on 
pleura, and line on postscutellum also pale yellow ; sides of 
thorax blackened, but middle of mesopleura red ; metathorax 
red, with the basal area black ; tegule bright ferruginous, 
with scattered punctures. Wings brown, with a median 
hyaline area; nervures dark fuscous, stigma ferruginous; 
b.n. meeting t.-m.; second s.m. large, quadrate, receiving 
first r.n. slightly beyond middle. Abdomen shining, finely 
punctured ; first segment basally red, then reddish black, and 
the margin with a yellow band ; remaining segments reddish 
black, the second with a pale yellow band, broad at sides and 
narrow in middle, the third with only a slight mark on each 
