DISEASES OF THE DIGESTIVE SYSTEM 95 



founded on a myth. Animals may ingest it 

 without apparent harm. 



For a description of symptoms, treatment, 

 etc., of the remaining pathological conditions 

 both medical and surgical of the digestive tract 

 the reader is referred to Canine Medicine and 

 Surgery, pages 55 to 65 inclusive. 



Parasites of the Alimentary Canal 



Ollulanus tricuspis, a small nematode worm, 

 found in nests in the mucous membrane of the 

 stomach. 



Very often the presence of this parasite is 

 unsuspected and discovered only on post mor- 

 tem examination. Sometimes, however, in se- 

 vere infestations it produces chronic gastric dis- 

 turbances, anemia and marasmus. The same 

 parasite is also found in the lung tissue and is 

 often associated with the strongyle syntheto- 

 caulus abstrusus, producing broncho-pneumo- 

 nia. The intermediate stage of this parasite is 

 passed in the musculature of rodents. 



Ascaris mystacc is also found in the stom- 

 ach, more especially in kittens Having migrated 

 there from its normal habitat in the small in- 

 testines. Sometimes the stomach is completely 

 impacted with this worm, usually with fatal re- 

 sults. 



Ascarides infestation is far more serious in 

 kittens and in young cats than in adults, pro- 



