144 Mr. Cameron oji 



the ocelli is raised ; there is a broad transverse depression 

 behind it ; a thin furrow is on the top of the vertex, and a 

 wider one runs down from the ocelli. Clypeus bare, shining^ 

 impunctate, pale rufous ; the apex margined, projecting in 

 the middle. Antennae filiform rather than stout, densely 

 covered with a pale pile ; the second joint is one-third the 

 length of the third. Pronotum rather depressed, having an 

 oblique slope from the top. Pygidial area shining, impunc- 

 tate, bare, the sides margined, but not stoutly ; the apex 

 rather sharply pointed and truncate. The abdominal seg- 

 ments bear laterally a dense silvery pubescence forming 

 broad bands, which do not reach across. 



The quantity of black on the abdomen varies, some 

 specimens having the middle segments only slightly infus- 

 cated, while others have broad bands on the third — fifth 

 segments. Smith, it may be added, does not state that the 

 clypeus of Argyrea is rufous. 



Hab. Mussoorie hills [Rothney). 



3. Tachvsphex bengalensis, sp. nov. 

 Niger, nitidus, pimctattis, metatJiorace riigoso-reticidato, 

 breviore qiiam mesothorace ; alis dare hyalinis, nervis fere 

 nigris. ?. Long. 10 mm. 



Head as broad as the thorax, the vertex sparsely, the 

 cheeks, face and clypeus thickly covered with silvery hair ; 

 rather strongly punctured ; the eyes at the top separated 

 by the length of the second and third antennal joints united ; 

 ocellar region raised ; a a -shaped depression behind them, 

 with a short longitudinal furrow leading from it, this furrow 

 being continued through the ocellar region itself Clypeus 

 punctured ; margined, and almost truncated at the apex. 

 Mandibles covered with long silvery hair at the basal 

 half Antennae nearly as long as the head and thorax 

 united, covered with a dense greyish pile, the third and 

 fourth joints subequal. Thorax shining, bearing a fuscous 



