CHAPTER 1. 



UISEAShS OF THE SKIN. 



A. Those caused by parasites. 

 1. FLEA? 



The bird flea, known as Pulexauiuin, is a very small. 

 In-ownisli insect. It lias six Icf^s hul is without \\'iu;.is. 

 Its body is somewhat elongated and flattened from 

 side to side. Tliis 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 

 disfturbed and eventually they become thin and weak 

 and if they are not actually killed by the lleas. wliicli 

 occurs very rarely, they are so harassed Dial iliry are 

 predisposed to other diseases and in this way tln' tlea 

 may be an indirect 

 cause of death. Pig- 

 eons are annoyed by 

 fleas far more than 



other poultry. Larva of the chicken Fle. 



The remedy" is to al- Twenty times natural size. 



(17) 



2-1 



