COLLECTED IN BATCHIAN, KAISAj\., ETC. 275 



pedibusque pallide testaceis, tborace abdomineque uigro vittatis, alls 

 subcinereis apice nigricantibus. 

 Male. Pale tawny, sbiuing. Eyes connected above j facets rather large. 

 Antenna; pale testaceous, very short. Thorax with a black stripe. 

 Abdomen with an abbreviated black stripe, a little longer and broader 

 than the thorax. Legs pale testaceous. Wings slightly cinereous, 

 blackish towards the tips ; veins black, testaceous at the base. Length 

 of the body I7} line; of the wings 3 lines. 



Fara. XYLOPHAGID^, Stepli. 



Gren. B-HTPHOMORPHA, n. g. 



F(Bm. Corpus longifusiforme. Os minimum. Antenna: setacese, com- 

 pressse, dentato-moniliformes, multiarticulatae, articulis transversis. 

 Abdomen longiconicum. Pedes breves, graciles. Ala; elongatse. 



Female. Body elongate fusiform. Front vertical. Eyes prominent, 

 with very minute facets. Mouth very small. Antenna; setaceous, 

 compressed, submoniliform, about as long as the breadth of the head ; 

 the teeth successively decreasing in size; scape very short; joints of 

 the flagellum transverse, nearly twenty in number. Thorax much 

 longer than broad, subquadrate in fi-ont ; scutellum small, unarmed. 

 Abdomen elongate conical, less than twice the length of the thorax. 

 Legs short, slender. Wings elongate ; mediastinal, subcostal, and 

 radial veins ending at beyond half the length of the costa ; branches 

 of the cubital vein straight; 1st externo-medial slightly cm'ved; 2nd 

 rudimentary ; 3rd curved, united to the 4th, close to the border ; 

 subanal and anal veins united on the border ; discal areolet about four 

 times as long as broad. 



This remarkable genus seems to be allied to Rachicerus. 



19. Rhyphomorpha BiLiNEA, n. s. Foem. Testacea, glabra, nitens, 

 capite nigro, antennis dimidio apicali nigris, thorace guttis duabus 



vittisque duabus piceis, abdomine vitta basali nigra, alis subcinereis. 

 Female. Testaceous, smooth, shining. Head black, shining. Antenna; 

 black for nearly half the length from the tips. Thorax with two slen- 

 der piceous stripes, and with a piceous dot on each side in front. Ab- 

 domen with a slender black band at the base. Wings slightly cine- 

 reous ; veins black, testaceous at the base. Length of the body 3 

 lines; of the wings 7 lines. 



Pani. TABANID^, Leach. 



Gen. Tab ANUS, Linn. 



20. Tabanus extricans, n. s. Mas. Piceus, antennis nigris basi 

 rufescentibus, pectore cauo, abdomine rufesccnte apiccm versus nigri- 



