38 AMCEBA PARASITICA. A NEW PROTOZOAN INFESTING SHEEP. 



EXPLANATION OF PLATE VI. 



Fig. L — Part of diseased skin ; a protruberance. with concentric layers 

 from the lip of a lamb at Quirindi. Chromic acid, picric acid- 

 carmine, longitudinal section. C, Oc. I. 



Fig. 2. — Part of the diseased skin ; a protruberance, with reticulate 

 structure, from the nostrils of a lamb at Young. Chromic acid, 

 picric acid-carmine. DD., Oc. I. 



Fig. 3. — Amceba parasitica multiplying by fission fresh. F., Oc.I. 



Fig. 4. — Amosba parasitica bred in the aquarium alive. F., Oc. I. 



