46 HYMENOPTERA. 
segments fusco-ferruginous ; a dark stain at the extreme lateral 
margins of the second segment. 
Hab. Brazil (Santarem). (H. W. Bates.) 
This species closely resembles the M. rufiventris of Klug, but 
in that species the eyes are emarginate. 
925. MuTILLA LETA. B.M. 
Female. Length 24 lines.—Head black, wider than the tho- 
rax ; the mandibles, scape, and three basal joints of the flagellum, 
also the underside of the three or four following jomts, reddish- 
yellow; tips of the mandibles black; the head is rounded behind. 
Thorax elongate-ovate, of a reddish-yellow, the legs of the same 
colour; a horse-shoe-shaped black mark on the mesothorax pos- 
teriorly. Abdomen reddish-yellow, the first jomt small, subpe- 
tiolate, and having a black spot above; the second segment hasa 
broad black band above, its posterior margin as well as the entire 
abdomen beneath has a short sericeous pile ; the apical segments 
above have a golden pile. 
Hab. Brazil (Santarem). (H. W. Bates.) 
296. MuTILLA FESTIVA. B.M. 
Female. Length 33 lines.—Black, the head clothed with short 
ale golden pubescence, the antenne and mandibles rufo-piceous, 
the latter black at their tips. Thorax short, rounded anteriorly, 
narrowed posteriorly, compressed at the sides which have a stripe 
of pale golden pubescence, the metathorax coarsely rugose ; the 
legs dark rufo-piceous, and having a thin long pale glittermg 
pubescence, the tarsi rufo-testaceous. Abdomen: a round spot 
of pale golden pubescence at the apex of the basal segment, in 
the middle; another elongate spot extends from the middle of 
the second to the apex of the third segment; the extreme lateral 
margins of all the segments fringed with pale golden pubescence ; 
the segments beneath fringed with hairs of a similar colour. 
Hab. Brazil (Santarem). 
227, MUTILLA GRATIOSA. B.M. 
Female. Length 43 lines.—Black, clothed with black pubes- 
cence; the head has an elongate patch of silvery pubescence, 
which extends from the insertion of the antennz to the posterior 
margin of the vertex, towards which it is narrowed to a point. 
Thorax elongate-ovate ; the sides of the metathorax have an elon- 
gate silvery stripe. Abdomen: the sides of the basal segment 
silvery; a round silvery spot on each side of the second segment 
towards its basal margin, in a line with which is a larger quadrate 
