PARASITES OF THE ALIMENTARY TRACT 79 
Professor Penberthy recommends the following : 
BR Lysol me aie “5 ss Bij. 
Chloroformi .. 64 Ae -+ Bij. 
Ol. tereb. 3 ; aig “BJ «SS: 
M. Fiat haust. 
This should be followed by tonics and anthelmintics, 
such as iron, salt, bitters, as gentian or asafcetida. 
Trichocephalus Affinis.—This worm inhabits the cecum 
of the sheep, goat, and ox. It belongs to the Tricho- 
trachelide, and is characterized by the cephalic 
extremity being drawn out into a thread. It is thus 
exactly opposite to Oxyuris curvula, in which the caudal 
extremity is filiform. The anus is terminal. The 
worm attaches itself by its head, and rolls the remainder 
of its body spirally into a ball. The male has a genital 
spicule, and the length ranges from 6 to 8 millimetres. 
There is no intermediate host required in the life- 
history of this parasite. The whole cycle is completed 
in a little over a fortnight. 
Symptoms.—These worms are seldom the cause of 
serious trouble in cattle, unless present in very large 
numbers. In sheep they often set up muco-enteritis. 
Occasionally they are seen in emaciated, anemic cattle, 
which are also probably the host of numerous other 
varieties of parasites. 
Treatment.—lf detected in the feces, purgatives or 
a course of astringent tonics, such as ferri sulph., will 
be sufficient. 
The only other parasite worthy of note as being 
found in the large intestine is Amphistomum tubercu- 
latum. This is, however, very unimportant. 
Protozoa inhabiting the Intestine. 
As this volume is intended only to give a description 
of the macro-parasites, it is only necessary to give a 
brief account of the Coccidia and the disease (psoro- 
