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Genus Megarhinus. 
the abdomen on each side. The members of this genus cannot 
easily be confused with any others of the Calicidae, both on 
account of their larger size, brilliant coloration, and curious 
bent proboscis, whilst the palpi are always long in the J and 
in the 9 5 an d are thus distinguished from my new genus 
Toxorhynchites, where the palpi of the 9 are short and 3-jointed, 
but not nearly so short as in Culex and Aedes. It is erroneously 
supposed that they are not annoying to man and animals; 
several occasion severe irritation from their bites. Captain 
James, I.M.S., sends me the description of one (M. immisericors, 
Distribution of Megarhinus. 
Fig. 64. 
Wlk.) which is very troublesome in India; another comes in a 
collection from Mashonaland (M. lutescens, mihi), another (M. 
sjpeciosus , Skuse) from Australia, and others have been received 
from New Amsterdam, amongst the collections of mosquitoes 
sent to the Museum. They are, however, not of much importance 
as mosquitoes, because they are not troublesome in habitations, 
being almost entirely sylvestrian in habits, and thus only 
annoying to travellers. The number of known species is small, 
fourteen only having been described, and to this number four 
new ones are added in this monograph. 
The genus seems widely distributed in tropical and sub- 
