PARASITOLOGY. 115 



Description. — This parasite is filiform, white in 

 color and attenuated at both extremities ; the mouth 

 is circular and nude ; the caudal pouch of the male 

 is well developed ; the spiculae do not reach to the 

 outer border ; the male is two to three inches long, 

 the female three to four inches ; the female is ovo- 

 viviparous. 



Animals hifested. — The sheep, the goat and the 

 camel. 



Parts hiksted. — Bronchi and lungs. 



Disease Produced. — The disease is called Hoose, 

 Husk, Paper Skin or Lamb Disease. 



Conditions and symptoms are the same as de- 

 scribed under general symptoms. 



Strongylus Rufescens (Rufescent — reddish). 



Synonym, — Strongylus Ovis Pulmonalis. 



Distribution. — Found in some localities in United 

 States. 



Description. — Thread-like and reddish brown in 

 color ; the mouth is provided with three papilliform 

 lips; the caudal pouch is small and has a shallow 

 notch on each side ; the tail of the female terminates 

 in a blunt point ; the male is one to one and a quar- 

 ter inches long, the female one and one-quarter to 

 one and one-half inches. 



Animals Infested. — Sheep and goat. 



Parts hifested. — Bronchi and lungs. 



Strongylus Paradoxus (Paradoxum — beside). 

 Synonym. — Strongylus Elongatus. 

 Distribution. — Common in the United States. 

 Descriptio7i. — The body is thread-like and white or 



