D'qitera of St. Vincent {West Indies). 407 



18. Third section of the costal vein nearly as long as the 



second ; front metallic-blue at the vertex 



16 rert/cis, n. sp. 

 Third section of the costal vein not more than one-half of 

 the length of the second section ; front not at all 

 blue 19 



19. Wings distinctly clouded along the anterior part 



19 limhata, n. sp. 

 Wings uniformly yellowish or brownish hyaline .... 20 



20. Third section of the costal vein short, not longer than the 



penultimate section of the fourth vein, the second 



and third veins nearly parallel 21 



Third section of the costal vein distinctly longer than the 

 penultimate section of the fourth vein, the second 

 and third veins not at all parallel 22 



21. Small, more yellowish species 21 similis, n. sp. 



Larger, more brownish species 22 illota, n. sp. 



22. Light-yellow species, the abdomen with brownish bands 



20 palUda^ n. sp. 

 Reddish-brown, the abdomen black .... 23 nana, n. sp. 



1. Drosophila ornatipennis, n. sp. (PL XIII., fig. 151, 



wing.) 



$, ?. Front broad, light-yellow above, somewhat orange- 

 yellow below. Remainder of head yellow. Third joint of the 

 antennae oval ; face carinate. Mesonotum opaque-yellow, with six 

 narrow dark-brown stripes, the middle pair coalescent, and the 

 outermost ones connected at the suture with the adjacent ones. 

 Abdomen opaque, deep brown, with interrupted grey cross-bands. 

 Legs yellow ; femora sometimes infuscated. Wings variegated ; a 

 blackish spot at the proximal end of the submargiual and the first 

 basal cells, including also the outer part of the costal cell ; one on 

 the anterior cross- vein ; a narrow one on the posterior cross-vein 

 and outer part of the fifth vein ; a larger one about the middle of 

 the second section of tlie costal vein, reaching to the third vein, 

 and continues less deeply coloured in the anterior portion of the 

 first basal cell with that on the posterior cross-vein, and more 

 or less completely with ones on the outer ends of the second, third 

 and fourth veins, the colour surrounding these spots is more purely 

 hyaline, in the posterior cells and anal angle, subhyaline. Length 

 2 mm. 



Numerous specimens. St. Vincent. 



