62 PARASITOLOGY. 



Symbiotes Auricularum, variety Canis (Auris— ear) 



(Canis — dog). 

 Animal Infested. — The dog. 



Names of Disease. — Otacariasis, auricular scabies, 

 parasitic otitis, epileptiform disease of dogs. 



Condition Produced; Symptoms. — The parasites 

 produce an inflammation of the external ear, and in 

 some cases ulcers are observed. In the scrapings 

 fiom these ulcers the Acari can be found. Evidence 

 of itching is manifested; the dog shakes his head 

 from side to side and scratches bis ears with his 

 paw. The hunting dog, after vigorous exercise, 

 shows symptoms like those of epilepsy. Later the 

 dog is attacked more frequently with these fits, and 

 becomes sullen, with a tendency to be cross. 



Treatment. — Disinfect kennels with five-percent 

 kreso, or sediment from the lime and sulphur dip, 

 etc. 



Thoroughly cleanse the ear and apply the follow- 

 ing: 



it Olive oil ^ 5vii 



Naphthol Sv 



Ether 3xv 



M. Sig. — Inject a small quantity of this mixture 

 into external auditory canal once a day. 



A saturated solution of alcohol with boracic acid 

 can be used. 



Cytodites Nudus (Cyto — cell; Nudus — nude). 



Synonym). — A,ir-sac mite. 



History. — Found in Colorado, Wyoming, Iowa and 

 New York. 



Description. — Scarcely visible macroscopically. 

 The body is rounded in shape and whitish in color. 

 The rostrum is conical. The legs are strong, con- 



