298 Mr. T. D. A. Cockerell—Deseriptions and 
Pronotum nearly as long as the mesonotum, a little narrowed 
anteriorly, indistinctly and very finely -transversely striated ; 
the remainder of the thorax very finely granulate. Median 
segment longer than the mesonotum, narrowed posteriorly, 
the dorsal surface rather irregularly obliquely striated, with a 
carina from base to apex ; the surface of the posterior trunca- 
tion transversely striated, with a median sulcus. Abdomen 
microscopically punctured. The strize on the dorsal surface 
of the median segment are rather indistinct, the surface 
between them being more or less rugose. 
Hab. Bulawayo, Rhodesia (G. Arnold), June. 
Allied to J. pseudonotogonia, Brauns, but differs con- 
siderably in sculpture. . 
XXXIII.—Descriptions and Records of Bees.—LXX VII. 
By T. D. A. Cockrrett, University of Colorado. 
Epeolus bifasciatus obscuripes, subsp. un. 
6 .—Length about 6 mm. 
Greater part of scape blackish ; antero-lateral corners of 
mesothorax entirely black; legs dark brown, tarsi paler and 
redder ; band on first abdominal segment interrupted. 
Medellin, Vera Cruz, Mexico (H. H. Hyde; Baker coll. 
1785). U.S. Nat. Museum. 
EL. fumipennis, Say, is not identical with LE. bdifasciatus, 
Cresson, or even closely related. 
Epeolus xanthurus, sp. n. 
g.—Length about 8 mm., anterior wing 7, with the 
aspect of an Odynerid wasp. 
Black, with the mandibles (except basally), tubercles, 
tegule, anterior tibiz in front, and all the tarsi ferruginous ; 
eyes yellowish brown; inner orbits strongly converging 
below; antennee black, apical part of third joint red ; face 
covered with appressed pale ochreous-tinted hair ; thorax 
above with pale ochreous hair, the mesothorax thinly hairy 
all over, but with a large H rather obscurely indicated by 
denser hair; axillar teeth very short ; postscutellum with 
middle third dark fuscous, lateral thirds cream-coloured, 
