150 PARASITOLOGY. 
dogs; the worms, when occurring in large numbers, 
cause derangement of digestion, dullness and indif- 
ference; the young pup may whine or cry; tympani- 
tes, and in some cases diarrhoea; there is loss of 
appetite, nervousness and in some cases nausea; 
later anemia and emaciation is noted and the animal 
succumbs to the disease. 
Treatment. —Santonin and areca nut prove the 
most effectual parasiticides. The areca nut is an 
irritant to the bowels and acts as a vermifuge or 
purge. The following combination gives good 
results in ridding the bowel of these worms. 
Qe Powdered areca nut _________ 5 iii 
Crystal santonin_.__________ grxx 
Syrup ad. q. §._.-----_______- 5 iv 
Mix. Sig—Give two to three drams at a dose. Re- 
pee dose i in in Qve da days Museen genase 
UNCINARIA STENOCEPHALA (Stenos—narrow). 
(Cephale—head). 
Synonyms.—Dochmius Stenocephala. Anchyios- 
toma Stenocephala. 
Distribution.—Not common in the United States, 
more common in Europe. 
Description.—The body is thinner than the Uncin- 
aria Canina; the head is narrow; the caudal pouch 
is trilobate; on each side of the ventral wall of the 
buccal cavity is a hooklet; the tail of the female 
terminates in a rather sharp point; the maleis about 
one-third to one inch long; the female three-fourths 
inch. 
The life history, symptoms, and treatment are the 
same as for the Uncinaria Canina. 
