CHAPTER 1. 



DISEASES OF THE SKIN, 



A. I'hoae caused by parasites. 



1. FLEA8. 



The bird Ilea, known as Pulexavium, is a very small, 

 brownish insect. It has six legs but is without wings. 

 Its body is somewhat elongated and flattened from 

 side to side. This little parasite is exceedingly annoy- 

 ing to poultry and especially to pigeons. It is very 

 active and lives not only on the bird but also on the 

 perches and in the nests and crevices of poultry houses. 

 By its constant biting it keeps fowls awake and causes 

 them to scratch and hop about so that their rest is 

 disturbed and eventually they become thin and weak 

 and if they are not actually killed by the fleas, which 

 occurs very rarely, they are so harassed tliat they are 

 predisposed to other diseases and in this way the flea 

 may be an indirect 

 cause of death. Pig- 

 eons are annoyed by 

 fleas far more than 

 other poultry. 

 The remedy is to al- 



2-1 



Labva or THE Chioken Flea. 

 Twenty times natural slze.l 



(17) 



