country. disease is determined, and the dissection is not extended to other organs. Strongylus contortus is readily killed by contact with common salt ; and this Sheep surfer from a variety of strongle which attaches itself to the lining prominent symptom of disease a dry, husky cough directs attention to the thread worms, the inquiry is considered to be at an end, the nature of the a large nematode, which infests the fourth stomach, and sometimes causes acting in concert naturally lead to increased mortality in the flock. This fourth stomach had been cut open, the true cause of death would have been Post mortem examination of animals which are found dead on a farm are Sheep which are infested with strongles in the bronchial tubes not uncom- worm, Strongylus contortus, is a true bloodsucker, and sometimes causes an death. The worm is known as the Ascaris vituli. It is not recognised in this It has been observed that during the prevalence of rot among sheep in wet flukes in the liver in one case, and the strongles in the stomach in the other. because it is not sought for. It must be allowed that they do these things double invasion of parasites is, however, frequently overlooked, because the generally very roughly made, and often valuable evidence is missed, simply found in the presence of a large number of strongles in the fourth stomach. epizootic among sheep closely resembling rot ; indeed, the two parasitic flukes in the liver. In these cases there is good reason to suspect that, if the diseases are easily confounded until a post-mortem examination reveals the agent is an effective remedy for the cure and prevention of the disease. breathing organs, and a post mortem proving that the lung tubes are filled with monly harbour strongles in the fourth stomach, and the two forms of parasites membrane of the fourth stomach, and causes debility and emaciation. This seasons many of the animals have died from the disease without any signs of