90 Causes of Disease. 



Filaria lacrymalis, horse, cow (conjunctival sac). 

 " imniitis, dog (heart) (Asia [America]). 

 " s. Spiroptera sanguinolenta, dog (stomach, aneurisms, 

 pharynx). 



Filaria s. Spiroptera strongylina, hog (stomach). 



" s. Spiroptera megastoma and microstoma, horse (stom- 

 ach) ; Gongylonema scutatiim, sheep, cow, horse (pharynx) ; 

 Gongylonema pulchrum, hog (pharynx, tongue). 



Filaria s. Onchocerca reticulata, horse (tendons, ligamentum 

 nuchse). 



Filaria hceniorrhagica, horse (skin). 

 DermoHliaria irritans, horse (skin). 

 Filaria uncinata, goose (pharynx, crop, intestine). 

 " nasnta, fowl (crop). 



*' s. Dispharagits spiralis, fowl (pharynx, crop). 

 Tropidocera inflata, duck (crop). 



7 — Annelides. 

 Hcemopis sanguisuga, horse (pharynx). 



