532 Mr. T. D. A. CockereW— Descriptions and 



iiervures black; pubescence, including the seopa, white; 

 head and thorax strongly and very densely punctured ; head 

 very large, vertex very broad ; cheeks very bioad, unarmed, 

 ■with strong well-pcparatcd pnnctures on a shining ground ; 

 fliigellum dull reddish bencatii, especially at apex ; sides of 

 face with much snow-white hair; clypeus low and broad, its 

 anterior edge straight, with an obscure median nodule ; 

 mandibles elougate, the cutting-edge covered by a very 

 conspicuous band of golden-fulvous liair, which completely 

 liides what rudiment there may be of the second tooth ; 

 blade of maxilla light rufo-fulvous ; tegulae black, a little 

 tuft of white hair on thorax above and behind each; a tuft 

 of white hair *at each extreme side of metathorax; claws 

 with a short basal denticle projecting at right angles ; hind 

 spurs clear rufous ; hair on inner side of basal joint of hind 

 tarsi very light yellowish ; abdomen above white-pruinose, 

 with a spot of white hair on each side of first segment, and 

 indications of marginal bands on second and third. 



Bab. Queensland {Gilbert Turner). 



Presented to the Museum by Mr. E. Saunders. 



Megachile atrella, sp. n. 



$ . — Length about 9 mm. 



Abdomen parallel-sided, but short ; black, with dull white 

 pubescence; scopa white with a faint yellowish tint, black 

 on last segment ; hair of vertex fuscous, but very scanty ; 

 apical part of abdomen above with some dark hair ; sides ot' 

 face with much white hair ; a white patch at each side of 

 first abdominal segment ; the segments have obscure dull 

 white or greyish narrow hair-bands. Head large, con- 

 siderably wider than thorax; cheeks unarmed; tiagellum 

 obscurely brown beneath; clypeus with large confluent 

 punctures, the upper part with a central smooth shining 

 area; mandibles dark red, with the 4-dentate cutting-edge 

 black ; mesothorax and scutellum with extremely dense 

 small punctures; tegulse piceous with a rufous spot; wings 

 hyaline, nervures black; legs quite hairy, the hairs on 

 anterior and middle tarsi bent over or hooked at end; hair 

 on inner side of basal joint of hind tarsi pale fulvous ; claw- 

 joints and claws ferruginous; hind spurs dark reddish 

 piceous ; hind tarsi much longer than the others, which are 

 shortened, the joints 2 to 4 being short and broad, tri- 

 angular. 



Hub. W.Australia; "68.6." 



Superficially it resembles the European M. rotundata, 

 Fabr., but it is more robust. 



