304 ENTOMOLOGY FOR MEDICAL OFFICERS 



elongate, ringed ; in some species the rings are so deep cut as 

 to give a deceptive appearance of segmentation almost like a 

 tapeworm, this appearance being quite distinct in the living 

 individual. Found in many parts of the world ; the adult 

 commonly in the throat and lung of snakes, the larva en- 

 cysted in many kinds of animals, including man. 



Genus 3 : Reighardia, Body cylindrical, not ringed. The 

 adult has been found in the air-sacks of certain birds and also 

 in the lung of a viper. 



