DISEASES OF THE HOG. 87 
STRONGYLUS DENTATUS (RUD.) 
Figure 80. 
Figure 80.—This worm is found in the intestine 
of the hog. It is a slender filiform worm about 
half an inch long; the head is obtuse and sur- 
vounded by six acute papillae; the oesophagus is 
short, thick and muscular; in the male the tail is 
