EDWARDS— DIPTER A, TIPULTD^ 209 



first submarginal cell, which is about half as long as the second ; second posterior cell 

 about half as long as third ; discal cell open, coalescent with the third posterior cell. 

 Ahdomen brownish ochreous. 



?. There is a single female which most likely belongs to this species. Tt is darker 

 in colour than the males, the wings darker fuscous, and the abdomen ajDpearing blackish. 



Length of body 2"8 mm. 

 „ wing 3 "5 mm. 



,, front leg 10 mm. 



,, middle leg 9 mm. 



,, hind leg 1 1 mm. 

 Loc. Seychelles. Mahe : Cascade Estate, 800 — 1500 ft., 1 $\ Mare aux Cochons, 

 1500 ft., 1 $. Silhouette ; plateau of Mare aux Cochons, 2 $. The single female was 

 from Mahe, in the high forest of Morne Blanc and Pilot. It may possibly represent 

 another species. 



I am afraid I can see no reason for not adopting Rondani's name for this genus, 

 though the true generic characters are other than those he gave. 



Genus Mesocyphona Osten-Sacken, Mon. N. Am. Dipt., iv. 152 [Erhplera, 



subgenus) (1869). 



20. Mesocypliona maculosa, sp. n. (Plate 11, fig. 11, <? genitalia.) 

 Alis fuscis, guttis 5 in costa limpidis ; femoribus annulis 2 fuscis. 



$%. Head black, flagellum of antennae dark fuscous. Thorax ochreous above, with 

 a lateral dark fuscous border ; pleurae greyish ochreous, with a dark fuscous longitudinal 

 stripe. Legs ochreous ; coxae dark fuscous ; trochanters ochreous fuscous, darker at the 

 tip ; anterior and middle femora with a fuscous ring before the middle, all femora with a 

 well-marked fuscous ring near the apex. Wings fuscous, darker towards the costa ; four 

 or five rather large ochreous spots along the costa ; smaller whitish ochreous spots along 

 the posterior and lower margins, at the terminations of the veins ; a large whitish ochreous 

 spot over the cross-veins, between the two largest costal spots ; a similar smaller spot at 

 the apex of the open discal cell. First submarginal cell five-sixths as long as second ; 

 great cross-vein a quarter of the way along the discal cell from the base. Ahdomen 

 dark fuscous. 



Length of body 3 '5 mm. 



,, wing 4 mm. 



,, front leg 7'5 nmi. 



,, middle leg G nun. 



,, hind leg 8 mm. 



Loc. Seychelles. Mah(^ : Mare aux Cochons, 1500 ft., 3 $ ; Cascade Estate, 800 — 

 1500 ft., 2 <?. Silhouette: plateau of Mare aux Cochons, 5 ^, 1 ?. 



21. Mesocyphona cdbicapitella, sp. n. (Plate 10, fig. 13, wing.) 



Flava, capite albo, alis hyalinis, flavcsocntibus. 



27-2 



