THE HEN-FLEA. 137 
A simple remedy, or rather preventive, is rubbing the 
feet with Peruvian-balsam or Kopai-balsam. 
THE HEN-FLEA. 
(Sarcopsylla gallinacea Westwood). 
This flea (fig. 115) was but once found in achicken-house 
in Minnesota. Itis common in Florida and Texas, where it 

Fig. 115.—Hen-flea. Greatly enlarged. Original. 
is known as the “Jigger-flea.’”’ It is a peculiar, roundish 
looking flea, quite smooth, and of a yellowish-brown color. 
As it is assuredly not a common insect with us no detailed 
description is given, as the illustration shows its peculiar 
shape quite well. 
The Pigeon-Flea (Pulex avium Tasch.) is also found in 

Fig. 116.—Flea of the mouse. Greatly enlarged. Original. 
the United States, but the writer has not been able to obtain 
specimens thus far in our own state, and it is very doubtful 
whether it exists here. 
