608 APIDiE. 



Nothing is known of the luabits of the Oriental forms. 

 I procured both species on the wet sand by the banks of 

 streams. The European species nest in tlie wood of old posts 

 and rails. 



Key to the Sjiecies, 



a. 2 length 8-9 mm H. aureocincta, p. 508. 



b. 5 length 45-5 mm H. parvula, p. 508. 



898. Heriades aureocincta, n. sp. (PI. IV, fig. 2.) 



2 . Head, thorax, and abdomen closely and finely punctured, 

 shining ; clypeus subtriaugular, convex, subemarginate anteriorly, 

 with two not very approximate shining blunt teeth ; median seg- 

 ment vertical, rounded posteriorly, not truncate, obscurely medially 

 carinate, the base narrowly impuuctate, shining ; abdomen with a 

 deep transverse narrow groove close to the base of the 2nd seg- 

 ment. Jet-black ; the face and legs with a thin covering of pale 

 glittering soft hairs ; the sculellum and postscutellum covered 

 with dense fulvo-ferruginous pubescence, and abdominal segments 

 2-5 with narrow fringes of the same, having a golden lustre ; the 

 apical margin of the 1st segment broadly golden testaceous; pollen- 

 brush white ; wings hyaline and iridescent ; nervures and tegulse 

 dark brown. 



Eab. Sikhim, 6000 ft. ; Ta-u plateau, Tenasserim, 4000 ft, 

 2 • Length 8-9 ; exp. 16 mm. 



This species perhaps belongs to the subgenus Chelostoma, Latr. 



899. Heriades parvula, n. sp. 



$ . Head and thorax coarsely and closely, abdomen more finely 

 punctured; clypeus broad, convex, subtriaugular, its anterior 

 margin transverse ; median segment longer proportionately than in 

 H. aureocincta, broadly transverse posteriorly ; base of the abdomen 

 slightly concave, 2nd segment with a very fine transversely im- 

 pressed line. Jet-black and shining ; the face in front, the thorax 

 on the sides and at the apex of the median segment, and the 

 apical margins of abdominal segments 1-5 covered with white 

 pubescence, forming very fine fringes to the last-named ; pollen- 

 brush soft and white ; wings hyaline and iridescent, nervures and 

 tegulae very dark brown. 



Ilab. Eangoon, Burma. 5 • Length 45-5 ; ex2y. 8 mm. 



Genus C(ELIOXYS. 



Coelioxys, Latr. Gen. Crust, ct his. ix, p. 166 (1809). 



Type, C. conicus, Linn. 

 Range. Both hemispheres. 



