On a Cystic Parasite Infesting Sheep

an excellent description of these by Dr. T. R. Lewis. Sheep and goats are however, in this country, very frequently infested by a parasitic animal of the same description; but, not knowing this, people who carefully eschew pork, and even avoid beef, eat their mutton without suspicion. This parasite is to be found in a large proportion of the sheep of the Punjab, and doubtless, also, in those of other parts of India. It appears to be cysticercus tenuicollis, the larva of taenia marginata?a tapeworm common in the dog and wolf. Like other "bladder worms," this entozoon is contained in a cyst formed from the neighbouring tissues, which varies from the size of a pea to that of a duck's egg, and through the transparent walls of which its movements may often be seen after