. The Annals and magazine of natural history; zoology, botany, and geology. Natural history; Zoology; Botany; Geology. 416 Messrs. T. D. A. Cockevell and W. Porter on Bees. Perdita [Tetraperdita) sexmaculata, Ckll. ? .—About 4\ millim. long. Very shiny, with thin white pubescence on the cheeks, pleura, legs, and end of abdomen, but little elsewhere. Head and thorax dark olive-green, clypeus and supraclypeal area black; face wholly dark ; scape black, coarsely punctured or malleate ; flagellum brown above, yellowish beneath; clypeus and sides of face with sparse but distinct punctures; labruni


. The Annals and magazine of natural history; zoology, botany, and geology. Natural history; Zoology; Botany; Geology. 416 Messrs. T. D. A. Cockevell and W. Porter on Bees. Perdita [Tetraperdita) sexmaculata, Ckll. ? .—About 4\ millim. long. Very shiny, with thin white pubescence on the cheeks, pleura, legs, and end of abdomen, but little elsewhere. Head and thorax dark olive-green, clypeus and supraclypeal area black; face wholly dark ; scape black, coarsely punctured or malleate ; flagellum brown above, yellowish beneath; clypeus and sides of face with sparse but distinct punctures; labruni with a group of about six large punctiform depressions on each side ; mandibles yellowish ferruginous towards the tips ; frontal foveas black grooves; facial quadrangle slightly broader than long; vertex granular or minutely tessellate ; niesothorax and scutellum smooth and very shiny, with a very lew scattered punctures ; base of metathorax dark blue, con- trasting with the olive-green scutellum and postscutelluni ; tegulge brown in front, whitish behind ; wings clear, nervures and stigma dark sepia-brown ; stigma pallid in the middle ; recurrent and transverso-cubital nervures broken by hyaline dots; marginal cell obliquely truncate, the poststigmatal portion about equal to the substigmatal; second subraarginal cell narrowed more than half to marginal, forming an equi- lateral triangle with the upper angle cut off; third discoidal distinct; legs black, anterior tibiae yellowish in front; abdo- men ilat, shining black, with six round yellowish-white spots at the sides of segments 2 to 4; venter (un? Perdita sexmaculata, Ckll. (J .—About 4 millim. long. Very shiny, with thin white pubescence on the cheeks, pleura, and end of abdomen ; fairly abundant pubescence on the legs, and widely scattered white hairs on the rest of the body ; head and thorax dark green ; mesothorax almost. Please note that these images are extracted from scanned page images that may have been


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Keywords: ., bookce, booksubjectbotany, booksubjectgeology, booksubjectzoology