INTERNAL PARASITES. (eNTOZOA.) 23 1 



jaws, foaming at the mouth, and struggling when lying on the 

 ground. There was a marked and increasing tendency to turn 

 to the left ; the coma became more urgent, and the animal 

 appeared quite torpid, though its appetite was undiminished. 

 It was kept until December, when, its recovery appearing 

 hopeless, it was killed. A necroscopical examination showed 

 that all the abdominal brgans were healthy, with the excep- 

 tion of the liver and pancreas, on the surface of which were 

 observed transparent vesicles similar to those of the pig- 

 measle. The liver had two of these on its right lobe ; they 

 were about the size of a large pea, lay beneath the peritoneum, 

 and had made a depression in the organ. Those on the pan- 

 creas were five in number ; they were on its upper border, 

 but had not affected the structure of the gland. The thoracic 

 organs were healthy. On opening the cranium, the menin- 

 geal membranes were found to be very congested ; in the 

 upper and latter parts of the right lobe of the cerebrum were 

 four elevations, corresponding to four hydatid-kysts, covered 

 by the arachnoid, and lying in depressions in the cerebral 

 tissue ; in the left lobe only one was discovered. The hydatids 

 were carefully examined by M. M^gnin, a veterinary surgeon 

 who has made helminthology a special study, and they proved 

 to be identical with those of the pig-measle. 



The dog had doubfless obtained the ova from eating hu- 

 man excrement, as this animal is sometimes apt to do. 



Siedamgrotzky, of the Dresden Veterinary School, in the 

 report of that establishment for 187 1, cites an analogous case. 

 " A large-sized dog, always apparently in good health, was 

 suddenly seized with cramp and convulsions, especially of the 

 jaws. In a short time it was unable to stand ; the pulse and 

 respiration were much quickened, the head hot, and the con- 

 junctivae injected ; considerable prostration was present. By 

 starts it would jump up spontaneously, run forward until it 

 met some obstacle, push hard against it, and bark for half an 

 hour at a time ; then it would lie down, convulsively champ 

 with its mouth, from which saliva would flow, and remain in 



