64 FAUNA HAWAII ENSIS 



Wings hyaline with dark apex, the dark portion including only the tips of the 2nd 

 and 3rd veins and that of the 4th slightly, posterior transverse vein not infuscated, 

 quite straight, last section of the 4th vein distinctly longer than the penultimate. 



Hab. Hawaii, one male, Olaa, July 1895. 



(16) Drosophila halcakalae, sp. nov. 



<?. Long. Corp. 3 mm. ; al. 3^ mm. Front, including orbits, light yellow in front, 

 blackish behind, posterior part of orbits and vertical triangle dark and shining ; face, 

 proboscis, and palpi yellow ; antennae yellow with the upper edge of the two last joints 

 dark brown. Thorax, including pleurae and metanotum, shining blackish-cinereous, 

 shoulders a little reddish, scutellum blackish with yellow apex, halteres yellow. Ab- 

 domen shining black. Legs yellow. Wings hyaline, with the apex and the posterior 

 transverse vein slightly infuscated, the latter quite straight and distant a little more 

 than its length from the posterior margin of the wing, last section of the 4th vein longer 

 than the penultimate. 



Hab. Maui, one male, Haleakala, 6000 ft., March 1894. 



(17) Drosopliila sc tiger, sp. nov. 



J. Long. Corp. 2^ mm. ; al. 2^ mm. Front wholly shining black, face glistening 

 whitish, proboscis obscure yellowish, palpi ? ; antennae black. Thorax, including 

 pleurae, scutellum, and metanotum, shining black, halteres with yellow stalk and blackish 

 knob. Abdomen shining black. Legs yellow, fore tibiae with two or three long fine 

 bristles, fore metatarsus furnished at its base with two very long and conspicuous 

 bristles. Wings hyaline with the costal cells dark fuscous and a slight fuscous streak 

 along the costa ; posterior transverse vein straight, one and a half times its length 

 from the border, last section of the 4th vein half as long again as the penultimate. 



Hab. Molokai, one male, Forest above Pelekunu, 24th August, 1893. 



Three females from Molokai Mts., 4000 — 5000 ft., June to September 1893, are 

 so like the above species that I hesitate to describe them as distinct. They are much 

 larger, however, the body and wings both measuring 3^ mm. ; the face is quite black, 

 with the triangular central portion (i.e. excluding the cheeks) highly polished ; legs 

 yellow, without conspicuous hairs. 



Plate in. fig. 16, fore leg of Z- 



(18) DrosopJtila Juimcralis, sp. nov. 



t ?. Long. Corp. 3 mm. ; al. 3^ mm. Front dark brown, in the female lighter in 

 front ; face obscure brownish, with a distinct keel ; proboscis 1 yellowish-brown ; 



