Diptera of St. Vincent (West Indies). 413 



third section of the costal vein is about three-fourths the length of 

 the second section, and the penultimate section of the fourth vein 

 about one-third the length of the ultimate section ; costal cell 

 infuscated ; anal cell complete. Length 2 mm. 



Four specimens. The wings are whitish at the tip. 



15. Drosopliila frontalis, n. sp. 



(^ , $ . Front narrow, more than twice as long as wide, less 

 than one-third of the width of the face, of equal width above and 

 below, and not wider than the face ; opaque light-yellow, in some 

 specimens with a shade of brown above. Third joint of the 

 antennas fully twice as long as wide. Antennae, face, and lower 

 part of the occiput light-yellow, the occiput elsewhere blackish ; 

 cheeks linear ; face not carinate. Mesonotum and scutellum light 

 reddish-yellow, moderately shining. Pleurse light-yellow. Abdomen 

 yellow or light reddish-yellow, rather elongate ; the second seg- 

 ment, except the narrow front margin, the third and fourth 

 segments each with three spots, of which the median one is the 

 larger, black ; fifth segment of the female small, Avith a black spot 

 on each side. Legs wholly light-yellow. Wings yellowish or 

 greyish hyaline ; third section of the costal vein less than half the 

 length of the second section ; penultimate section of the fourth 

 vein less than half the length of the ultimate section ; the costal 

 vein terminates at the tip of the third vein. Length 2| mm. 



Eight specimens. St. Vincent. 



16. Drosophila verticis, n. sp. 



? . Front very broad above ; yellow, the vertical stripes and a 

 stripe or spot near the orbits, metallic-blue ; lower part of the 

 front wholly yellowish. Antennae yellow, the third joint brown ; 

 arista with long rays above and below. Face yellow, flat, not 

 carinate. Mesonotum shining reddish-yellow ; scutellum opaque 

 brown on its upper surface. Pleurce more brown. Abdomen 

 apparently yellow, with brown posterior bands to the segments. 

 Legs yellow. Wings nearly hyaline ; third section of the costal 

 vein two-thirds or more the length of the second section ; anal 

 cell incomplete, the vein closing the cell outwardly indistinct or 

 wanting. Length 2 mm. 



Two specimens. St. Vincent. 



TRANS. ENT. SOC. LOND. 1896. — PART III. (sEPT.) 28 



