FEATHER-LICE INFESTING PIGEONS. 125 

Fig. 102.—Biting-louse of ducks, etc. Greatly enlarged. Original. 
tion, (fig. 101) which is too dark, shows this peculiar 
parasite. 
Still another species of Zrinotwm is found on duck; it is 
illustrated in fig. 102. 
FEATHER-LICE INFESTING THE PIGEON. 
It seems that pigeons are very prone to being infested by 
parasites. There is no doubt that many species of feather- 
lice occur upon them, and it is not infrequently stated that 
they can carry bed-bugs from house to house, in fact that 
they are to blame for the very existence of these nocturnal 
blood-suckers, which, without pigeons, would not have in- 
vaded our dwellings. All such statements do not amount 
to much, however, as they can not be substantiated by 
facts. But there is no doubt about feather-lice infesting 
pigeons, as will be seen by the following descriptions of spe- 
cies found upon them. 
Goniocotes compar Nitzsch. 
This parasiteis quite common upon domesticated pigeons. 
It possesses a head well-rounded in front, narrow between 
the feelers, and broadest near the posterior margin. The 
