390 Professor Williston on the 



2. Notiphila hellula, n. sp. 



^ , $ . Front opaque brownish, the large vertical triangle more 

 yellowish-grey, the narrow orbits grey. Autennte red, the upper 

 border of the second and third joints brown or blackish. Face, 

 cheeks, and occiput, for the greater part, densely grey-pollinose. 

 Palpi light-yellow. Mesonotum densely brownish grey-pollinose, 

 with numerous small rounded points where the bristles and hairs 

 arise ; scutellum like the mesonotum. Pleurae and metanotum 

 densely grey-pollinose ; a small brown spot on the upper part of 

 the mesopleurse. Abdomen light coffee-brown ; the first segment 

 and a narrow median stripe, and irregular spots on the sides of the 

 other segments posteriorly opaque grey ; the median stripe is 

 narrow and of equal width throughout. Femora black, with the 

 tip yellow ; front tibife, except the base and immediate tip, and 

 the front tarsi black ; middle and posterior tibiae and tarsi yellow, 

 the tibise more or less brownish in the middle, the tarsi blackish at 

 the tip. Wings nearly uniformly tinged with brownish-yellowish. 

 Length 4 mm. 



Ten specimens. St. Vincent. A closely allied species 

 in the writer's collection, from San Domingo, differs in 

 the presence of distinct stripes on the mesonotum. In 

 some specimens the irregular grey spots of the abdomen, 

 nearly subdivide the brown into four series of spots or 

 stripes. 



Paralimna. 

 Loew, Monogr., i., 138, 1862. 



Mesonotum with numerous small brown spots ; abdomen con- 

 spicuously banded multtpunctata, n. sp. 



Mesonotum not spotted ; bands of the abdomen inconspicuous 



obscura, u. sp. 



1. Paralimna inultipimctata, n. sp. 



? ? Paralimna secunda, Schiner, Peise der Novara, 

 Dipt., 241. — South America. 



(J , 5 . Face and cheeks densely greyish wbite-pollinose, with 

 a slight shade of yellowish. Clypeus very prominent, of the same 

 colour as the face; palpi slender, brown. Antennss black, the 

 third joint in an oblique light with a whitish reflection, the pile on 

 its upper side long. Front opaque brown ; anteriorly with minute 



