308 Records of the Indian Museum. [Vol. XV, 



appear black or dark brown with a yellow (unsealed) subapical ring on 

 all the femora, the latter more or less yellowish on basal half, due to the 

 scales being less numerous or absent there. All the femora gradually 

 thickened towards tip. 



Wings moderately dark brown with two rather narrow pale trans- 

 verse bands from costa to hind margin, dividing the wing into three 

 snbequal areas, base more or less pale ; halteres black with pale yellow 

 tips. 



Described from a long series oi ^ <^ only taken by Mr. Kemp at 

 Talewadi, near Castle Rock, North Canara District, 3 — lO-x-16. Tijpe 

 and other specimens in Indian Museum ; cotypes in my collection. 



Gymnastes pennipes, sp. no v. 



(Plate viii, fig. 10.) 

 ^. Assam. Long. 3^ mm. 



Head. — Frons very broad, more than \ width of head, shining violet 

 blue ; antennae, proboscis and palpi dark brown. 



Thorax shining violet blue ; pleurae slightly white dusted ; a milk- 

 white longitudinal stripe just below dorsum. 



Abdomen shining violet blue ; genitalia also apparently constructed 

 as in cyanea. 



Legs. — Coxae black ; hind pair with a conspicuous oval white spot 

 in front ; femora moderately dark brown, the distinctly clubbed tips 

 of hind pair broadly dark brown, preceded by a narrow bright yellow 

 ring without clear edges. Anterior femora barely thickened at tips, 

 the yellow ring very fajnt. Anterior tibiae and tarsi dark brown ; hind 

 tibiae brownish-yellow, nearly the apical half shining violet with con- 

 spicuous long stiff black pubescence. Hind metatarsus with basal 

 half yellow, rest of tarsus black. Some scales towards tip on inner side 

 of hind femora. 



Wings as in cyanea but 2nd vein distinctly forked, the upper branch 

 short, ending in costa just beyond tip of 1st vein. The apical transverse 

 band very faint. Halteres black, tip of clubs milk-white. 



Described from a single ^ from above Tura, Garo Hills, 3,500 — 3,900 

 ft., vii-17 (Kemj)). 



ATARBA, Os. Sac. 



flava, Brun., Fauna Brit. Ind. Dipt., p. 435 (^ ? (1912). 

 Darjiling. Types in Indian Museum. 



pallidicornis, Edw., Ann. Mag. Nat. Hist. (8) XVIII, p. 219, $ 

 (1912). Arisan, Formosa, 8,000 ft., lO-x-12 (Nitobe). Unique 

 type in British Museum. 



luscicornis, Edw., I. c, p. 250, $, from same locality and col- 

 lector. Unique type in British Museum. 



javanica, Alex., Proc. U. S. Nat. Mus. XLIX, p. 171 ? (1916). 

 Java. Type in the U. S. Museum. 

 Alexander says (loc. cit.) that A. flava, Brun. is the only other oriental 

 species of the genus,^ the remainder probably belonging to Leiponeura ; 



^ That is to say, other than javanica. 



