:{<> ANDHKNlD.t:. 



This specii's is distinnfuirthcd from the typical oiio, T. melallicum, 

 h\ (ho diiroretit sculpturing of the metathorax. 



;i. Teuinosonia laevigatiim. 



Female. T^ngtli 3 lines. — Head and thorax green, strongly punc- 

 tured, witli sliades of blue on the vertex ; abdomen blue-green, 

 smoolli, shining, ami impunctato. Head subqiiadrate, witli the 

 antennie l>lack. The metatliorax with a few strong divergent 

 striuj, which are enclosed by a smooth impunctato shining space, 

 beyond which it is punclured ; wings hyaline and iridescent, 

 slightly clouded towards their apical margins, the norvurcs black, 

 the tegulic impuuctate, smooth, and shining green ; the legs green. 

 Abdomen, the two basal segments with their margins slightly 

 constricted. 



Ilab. St. Paulo, on the Amazons. 



HALICTUS, Latr. 



1. Halictus senescens. 



Female. Length '6\ lines. — Elack, with hoary pubescence. The 

 head pubescent, most dense on the face and cheeks ; the flagellum 

 fulvous beneath. Thorax sparingly pubescent on the disk, which 

 is finely punctured ; the postscutellum thickly covered with a downy 

 white puljcscence, on the sides and beneath thinly pubescent ; the 

 legs rufo-piceous and pubescent, very bright and glittering on the 

 tarsi ; wings hyaline and iridescent, the nervures and tegula) rufo- 

 testaceous. Abdomen ovate, the base pubescent ; at the basal 

 margin of the second and third segments there is a narrow fascia 

 of fine short pubescence, and a broader fascia on the apical 

 margins of the third and fourth ; on the apical segment the pubes- 

 cence is pale fulvous ; beneath, the segments are fringed with long 

 pubescence. 



Hah. Bombay district. 



2. Halictus vernalis. 



Female. Length 2| lines. — Bright metallic green. The head very 

 closely and finely punctured, somewhat rounded, with the clypeus 

 slightly produced, its apical portion shining, of a purple colour, and 

 with a few strong punctures ; the flagellum fulvous beneath ; the 

 sides of the face with short pale pubescence. Thorax shining, 

 finely punctured ; the metathorax finely rugulose at the base, and 

 with a smooth shining space beyond ; wings hyaline and iridescent, 

 the nervures and tegulse pale testaceous ; the legs pale ferruginous, 



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