64 SYRPHID®. 
than the marginal one; but the shape of the head, the spots on 
the eyes, and the shape of the kink in the third vein are quite 
typical. 
A single female specimen from Madagasear, without further 
locality. 
60. Provylocera apophysata, sp. n. 
Length of body 20 mm. 
Cosviy allied to the preceding species, but distinguished by the 
yellow face and antenne, black scutellum, and squamule, and by 
the conical tubercle at the base of the hind femora. 
This species is doubtfully referred to this genus, with which it 
agrees in general facies and the shape of the head, but from which 
AS differs in having unspotted eyes, a lone-stalked marginal cell, 
and a rounded, not appencdie rulated, kink in the third vein. 
Head yellow, with grey dust on the oeciput, blackish on the 
vertical triangle; eyes touching along a short Tea which is shorter 
than the vertical triangle, bare, with equal small facets, without 
any trace of the rounded pale spots characteristic of the genus ; 

Fie. 12.—Protylocera apophysata,sp.r. <. 
> y I J 2s 
Left hind leg from inner sice. X 6. 
antennal tubercle very strongly prominent, clothed like the frontal 
triangle with golden- yellow hairs; face deeply excavated below the 
antenne, its middle tubercle round but flattened, almost united 
with the epistoma, which is prominent; peristoma narrow, noti 
produced; sides of the face with golden-yellow hair; hair on the 
vertex brown; antenn: short, entirely yellow, the third joint 
rounded, with a dark yellowish arista. Thorax dull black, on the 
sides with a dark reddish band running from the humeri to the 
scutellum ; haus dark on the middle, golden reddish on the sides 
and behind; pleure black and with black hairs, with reddish hairs 
only on the upper border; propleure red. Seutellum rectangular, 
blackish brown, with dark reddish hair, strongly margined behind: 
squamule black, with a white fringe ; halteres pale yellow; subalar 
callosity eochineale red. Abdomen. entirely dull black, with short 
black hair, at the base only with grey hair; the fount segment 
more narrow than usual, cylindrical, dark reddish ; the genitalia of 
