TRTPETIDAE. 95 



Indian Islands. (These species are : T. acidusa Walk., List of Dipt. Brit. 

 Mus., vol. iv. p. 1014 ; T. ocresia, ibid. p. 1016 ; T. avala, ibid. p. 1020 ; 

 T. dinia, ibid. p. 1040.) The descriptions published in foreign languages 

 I have translated into English ; all measurements have been reduced to 

 tenths of an inch. O. S. 



5. T. fucata Fabr. (Syst. Antl. 321, 24. Ent. Syst. IV, 359, 194.) 



Mnsca antennis setariis, cinerea, ano testaceo, alis fuscis, albo 

 punctatis. 



Huh. In America? meridionalis insulis. Dr. Ptlng. 



Corpus parvum, cinereum, ano solo testaceo ; alae fuscae, punctis 

 nuraerosissimis albis. Oculi virides. 



Antennae with a bristle, body cinerous, anus testaceous, wings 

 brown, spotted with white. (Islands of South America.) 



Body small, cinerous, the anus alone testaceous ; wings brown, 

 with numerous white dots; eyes green. 



(This is taken from Entom. Syst. ; the description in Syst. Antl. 

 is still shorter.) 



6. T. narytia Walk. J. (Walk. List. etc. IV, p. 1020.)— Fusca, 

 cinereo tecta, capite fulvo, abdomine piceo, basi fulvo, palpis antennis, 

 pedibusque fulvis, alis limpidis, fusco quadrifasciatis. Long. corp. 0.1. 

 Long. al. about 0.2. 



Body brown, thinly clothed with short black hairs ; head and 

 chest beset with very few black bristles ; head tawny, adorned with 

 white bloom, which occupies only the sides of the crown ; sides of 

 the face without bristles ; epistoma not prominent ; eyes red ; fore- 

 part slightly convex, its facets a little larger than those else- 

 where ; sucker black, clothed with tawny hairs ; palpi tawny ; 

 feelers tawny, shorter than the face ; third joint downy, nearly 

 conical, rather more than twice the length of the second, slightly 

 angular on the upper side of the tip ; bristle black, bare, tawny 

 and stout at the base, rather more than twice the length of the 

 third joint ; chest covered with gray bloom ; abdomen pitchy, 

 shining, spindle-shaped, tawny at the base, much longer and a little 

 narrower than the chest ; legs tawny, clothed with short black 

 hairs ; claws black ; wings colorless, adorned with four black 

 bands; the first, second and fourth bands extend but little below 

 the fore border; the third attains the hind border and includes the 

 two cross veius; wing-ribs and veins tawny, the latter dark to- 

 wards the tips, and in the dark parts of the wing ; the distance 



