or HTMENOPTEEA FBOM SUMATBA, ETC. 77 



species which. I have seen that has the eyes situated beneath the 

 head. 



1. Cephaloxys capitata. C. capite, thorace pedibusque fernigi- 

 neis, abdomine fusco-brunneo. 



Female. Length 1^ line. Head, thorax, and legs ferruginous; the 

 head heart-shaped ; the mandibles porrect, continued in a hne with 

 the sides of the head, terminating in a point ; the scape compressed ; 

 a black spot on the vertex, in which the ocelli are placed in a triangle. 

 Thorax subovate, the metathorax with two short spines ; the margins 

 of the scutellum dusky; the head and thorax finely rugose and 

 sprinkled with minute white scales or setae. Abdomen smooth and 

 shining, fuscous red or dark chestnut, with the base and apex pale ; 

 the nodes of the abdomen finely aciculate, and a few abbreviated striae 

 at the extreme base of the abdomen. (PI. IV. fig. 5, $ .) 



Hab. New Guinea. 



Earn. THTNNID^, Uriels. 

 G-en. Thtnnus, Fair. 



1. Thynnus l^vissimus. T. nigro-piceus, antennis pedibusque fer- 

 rugineis ; abdominis segmento secundo striis quatuor transversis. 



Female. Length 3 lines. Dark brown, nearly black, smooth and 

 shining ; the antennae, mandibles, and legs ferruginous ; the eyes 

 lateral, touching the base of the mandibles. The mesothorax oblong- 

 quadrate, slightly concave, with a central longitudinal carina; the 

 metathorax obhquely truncate. Abdomen oblong, smooth and 

 shining ; the margins of the segments narrowly pale testaceous ; the 

 second segment with fom deep transverse striae ; the apical segment 

 ferruginous at the apex. 



Hab. New Guinea. 



2. Thynnus ATRATUS. T. niger, capite thoraceque rude punctatis; 

 abdomine utrinque maculis flavis, segmento secundo transversim stri- 

 ate. (Fcem.) 



Female. Length 6^ lines. Black ; the mandibles ferruginous in the 

 middle; the legs obscurely rufo-testaceous, brightest beneath, the 

 anterior and intermediate tibiae pale ferruginous beneath ; a yellow 

 spot on each side of the basal segment of a suboval form, pointed 

 within ; two smaller ovate yellow spots on the third segment, and 

 also a minute yellow spot at the extreme lateral margins of the 

 third and fourth segments. The scape of the antennae very slender 

 at the base, thickened and bent at the apex, and produced within 

 into a sharp angle; the thorax transverse anteriorly, the margin 

 slightly curved or emarginate ; coarsely punctured above. The man- 

 dibles, legs, and the margins of the apical segments of the abdomen 



LINN. PEOC. — ZOOLOGY, VOL. Till. 7 



