144 SMALL POX IN SHKEP. 



two of them in the other case. Small vesicles are de- 

 veloped; these are filled with a transparent fluid, and 

 surrounded by a slight areola. The animals are in 

 good health, the effects being but local. 



Sixth day :— The vesicles are larger, and the areola 

 is rather deeper in colour. 



Seventh day : — The vesicles are beginning to decline ; 

 the areola is less visible. 



Eighth day : — Crusts exist on some of the places of 

 vaccination ; they have, however, fallen from most of 

 them, leaving a slight blush of redness on the spots. 



Pel), 1. — These sheep were inoculated zvith some 

 ovine lijmijh which was taken on Nov. 15, 1847, and 

 was consequently about ten weeks old. They both 

 contracted variola ; and although the progress of the 

 disorder differed but little in either animal, we purpose 

 • to give the details in full, and shall name one sheep C, 

 the other D. 



SheeiJ C. 



Fifth day of ovination.— Two of the punctures are 

 inflamed, and on the inner side of one thigh a stigma 

 is present near to the place of inoculation. 



Sixth day. — The inflammation surrounding the punc- 

 tm^es is increasing. 



Seventh day. — The effects are as yet local. The 

 health of the animal is undisturbed. 



Eighth day. — The deep red dye of variolous inflam- 

 mation is passing away ; the surface of the ovinated 

 places is depressed ; and a rose-coloured efflorescence 

 has shewn itself on various parts of the body. 



Tenth day. — The efflorescence has disappeared, and 

 here and there papulae can be felt. 



