354 Mr. E. E. Austen on new 



centrum can at once be distinguished from Griinberg's genus 

 by, inter alia, the elongate and slender first antenna] joint, 



which is six or seven instead of only three times as long as 

 the second joint, and by the antennae not being situate on a 

 prominent tubercle. In the shining face, expanded and 

 shining terminal joint of the palpi, and coloration of the 

 wings the new genus exhibits resemblances to the Neotropical 

 Lepidoselaga, Macq., from which, however, it is readily 

 distinguishable owing to the elongate shape of the body, the 

 length or the first joint of the antennae, and the 11011- or 

 scarcely incrassate front tibite, which in Lepidoselaga are 

 enormously swollen. 



Hippocentrum versicolor, sp. n. 



5. — Length (9 specimens) 7 to 9 mm.; width of head 

 2*4' to 2*8 mm. ; width of front at vertex 1 mm. to just over 

 1 mm. ; length of wing 7'25 to 8*75 mm. 



Body dnsky, wings variegated, tibia for most part buff or 

 cream-buff*. — Dorsum of thorax blackish, covered with 

 greyish dust : scutellum and abdomen clove-brown, second, 

 third, and fourth abdominal segments each with a more or less 

 deep though not very distinct yreyisli hind border; wings for 

 most part dark brown, but with large hyaline or milky streaks 

 or blotches, extreme base and costal cells ochre-yellow. 



Head : front, face, and jowls shining clove-brown, a more 

 or less distinct tawny-olive band sometimes visible imme- 

 diately below antennse, extending from eye to eye; upper 

 half of front pearl-grey polliuose; in rubbed specimens 

 pollinose area may appear to be confined to a somewhat 

 curved transverse band, occupying a depression above the 

 more or less tumid anterior half of the front, which forms an 

 ill-defined callus of considerable depth, lower portion of 

 which extends from eye to eye and has a nearly straight 

 lower margin, while upper portion is subtriangular ; in 

 middle line immediately below callus, with which it is in 

 contact, is a small dull clove-brown spot (as exhibited by so 

 many species of Htematopota) , sometimes difficult to distin- 

 guish, situate between callus and base of antennas ; terminal 

 joint of palpi clove-brown, clothed on outer side for most 

 part with minute and inconspicuous dark brown hairs ; first 

 and second joints of antenna pale mummy-brown or raw 

 umber-coloured, second joint and distal half of first some- 



* For names and illustrations of colours, see Ridgway, ' A Nomen- 

 clature of Colors for Naturalists' (Boston: Little, Brown, & Company, 



