114 VETERINARY PARASITOLOGY 
It has also been found in the diaphragm, under the 
dura mater, around the spinal cord, and in several other 
situations, particularly as the embryo form in the eye 
of Indian cattle. 
3. Selerostomum pinguicola occurs in Australia and 
America, in the fatty tissue surrounding the viscera, 
more especially the kidneys. 
The symptoms produced have been confused with 
those of other diseases and greatly exaggerated. 
4. Linguatula Denticulatum.—In the cat. 
5. Filaria Cervina.—Peritoneum and eye of cattle. 
6. Seclerostomum Armatum has been found within the 
scrotum of horses and asses during castration. 
HAEMATOZOA. 
Sclerostomum Armatum Minor causes aneurisms 
in the aorta or branches of the mesenteric arteries of 
the horse. These may vary from the size of a pea to a 
cocoanut. The aneurism usually has thickened walls, 
and contains a thrombus, with a small passage through 
which the blood still flows, together with a variable 
number of worms, usually partially buried in the walls. 
Bilharzia Crassa.—This parasite belongs to the Dis- 
tomide. It affects cattle in Egypt, Arabia, India, 
Mauritius, and the Cape. 
The male and female are constantly joined together, 
the female being contained in a gynzcophorous canal 
running the whole length of the male, and formed by 
the turning in of the edges of the latter. 
The male is $ inch in length, and possesses an oral 
and a buccal sucker. It is much thicker than the 
female, which is 3 inch long and much more slender. 
It chiefly inhabits the portal vein and the mesenteric 
vessels, and is carried to the intestines. It is alsosome- 
times found in the bladder, being carried there by the 
