84 THE ENTOMOLOGIST. 



ing three segments united, the four anterior claws are bifid, and 

 the mandibles have a short subapical tooth. 



Allostomus maculiseutis, sp. nov. 

 Black ; the face, base of prothorax, a large mark on either side of 

 the presternum, tegulae, tubercles, a line down the apex of meso- 

 pleurge, the base of the first abdominal segment, and a line on the 

 apices of all the segments, bright lemon-yellow. Legs yellow, tinged 

 with fulvous ; the apical half of all the coxae above, more than the 

 apical half of the posterior trochanters, the four anterior femora, the 

 apex of the posterior all round, the four anterior tibiae above, their 

 tarsi, a mark near the base of the posterior tibiae, their apex all round, 

 and the apical joint of the hind tarsi, black. The apex of the sixth 

 antennal joint and tbe following to the nineteenth white ; the basal 

 five joints (including the scape) are white below. Wings hyaline, the 

 stigma and nervures black. 5 . Length, 14 mm. ; terebra, 10 mm. 



Kuching, November (John Hewitt). 



Front almost smooth, the vertex sparsely punctured ; the face 

 sparsely but more strongly punctured. Pro- and mesothorax closely 

 punctured, the outer side of the middle lobe of the latter striated ; 

 the propleura), except at the top and bottom, smooth. Metathorax 

 closely reticulated ; there is a keel over the metasternum. Basal two 

 segments of abdomen distinctly, closely, the third weakly punctured ; 

 the others almost smooth. The metathorax and coxae are thickly 

 covered with short white pubescence. 



NEW AFEICAN BEES. 

 By T. D. a. Cockerell. 



The bees described below were collected in the interior of 

 Portuguese West Africa, in the same general locality as those 

 previously reported. 



Thrincliostoma xvellmani, sp. nov. 

 ?. Length about 12 mm.; anterior wing 9 mm.; black, with 

 short greyish-white pubescence; antennae dark, ordinary; ocelli close 

 together ; front finely punctured ; sides of face with silvery hair ; 

 malar space longer than broad ; clypeus produced as usual, with 

 sparse strong punctures ; maxillary palpi six-jointed, third joint short 

 and thick, last long and slender ; labial palpi four-jointed, the first 

 longest ; tongue long and slender, as is usual in the genus ; meso- 

 thorax and scutellum dull, densely and minutely rugosopunctate ; 

 area of metathorax coarsely granular ; sides of metathorax with white 

 tomentum ; pleura with coarse white hair ; wings ample, dusky, the 

 apical mai-gin broadly fuscous; stigma and nervures dark sepia; b. n. 

 falling short of t. m. ; first s. m. longer than third ; second large and 

 nearly square ; first r. n. reaching extreme base of third s. m. ; third 

 t. c. with a double curve ; t. m. bent ; tegulae shining piceous, with a 



