TABANUS. TABANUS. 
Generic Character. 
Os proboscide carnosa, ter- 
minata labiis duobus. 
Rosiro pal pis duobus subu- 
latis, proboscidi laterali- 
bus, parallel is. 
Mouth formed into a fleshy 
proboscis, terminated by 
two lips. 
Rostrum furnished with two 
pointed palpi, placed on 
each side of, and parallel 
to the proboscis. 
In general appearance or habit these insects 
bear an extreme resemblance to those of the pre- 
ceding genus. The largest of the British species 
is the Tabanus boviniis of Limiccus, having the 
appearance of a very large* or pale-brown 
Fly, marked down the back by a series of large, 
whitish, triangular spots, pointing downwards: on 
each side also is an approach to a similar appear- 
ance, though less distinct than that of the dorsal 
row. This insect, like the rest of its genus, is seen 
during the middle and the decline of summer j 
generally in the hottest part of the day. It is 
extremely troublesome to cattle, piercing their 
* Often measuring near an inch in length. 
