OF INSECTS. 
329 
thing like that of an ichneumon, and the thorax is 
armed with two spines. All of them are exotic, 
and but a small number are known. The individual 
figured is from Bengal. It is of small size, not ex- 
ceeding four lines, (the figure being very much 
magnified,) the head, legs, and base of the abdomen 
yellow; the apex of the latter blue-black. The 
thorax is likewise of that colour, with a few white 
dots behind. The apex of the w'ing with a brownish 
black spot. 
ASILUS (BLEPHAROTES, West) ABDOMINALIS. 
Plate XXXV. Fig. 1. 
This represents a splendid insect belonging to the 
family Asilidm, hut differing from all the species of 
that family in the broad flattened abdomen and in 
the structure of the intermediate tarsi. These pecu- 
liarities have led Mr. Westwood to propose a new 
subgeneric name for its reception. 
This insect is of an obscure brownish-black, with 
grey hairs ; the nose is fringed with long fulvous 
hairs ; the basal segment of the abdomen is thickly 
clothed with grey hairs, the four following segments 
smooth, shining, and of a rich green colour, with 
the posterior margin whitish, the sides of these seg- 
ments are furnished with thick brushes of brown 
hair, those of the posterior segments being more 
mixed with buff hairs; the terminal segment is 
corneous, and armed with two curved horny appen- 
dages ; the legs are robust and black ; the inter- 
mediate tibiae are short and clavate, with several 
