236 COW-POX. 



Cow-pox among cattle and small-pox among ewes have 

 been repeatedly observed to prevail at the same period. 

 Mr Gibson, in a sketch of the province of Guzerat, states 

 that variola carries off annually many persons, and "the same 

 disorder is at times very fatal among the cattle." Mr Mac- 

 pherson, writing from Murshidabad in 1836, observes that 

 the disease among the cows has not occurred in the province 

 for two years ; that during the same interval very few cases 

 of variola have been known, and from these circumstances 

 he infers " that the unknown causes which favour the disease 

 in the human subject, have the same tendency in the cattle ; 

 in fact, that variola and mhata, or gotee, owe their origin to 

 the same cause/' Mr Lamb, stationed at Dacca, remarks in 

 1836, that during the prevalence of variola, the cow-pox 

 " appeared in one muhalla and carried off fifteen or twenty 

 cows." 



Cases have been noticed by Mr Ceely, which show that 

 cows have been infected from human small-pox effluvia. 



Symptoms. There are general symptoms of a mild fever, 

 and the characteristic signs are purely local. Constitu- 

 tional symptoms have been described in some cases as follow : 

 Sudden sinking or loss of milk, dribbling of saliva from 

 the mouth, and frequent inflation and retraction of the cheeks, 

 staring of the coat, arched back, limbs drawn together, and 



" 4th, To inquire into the temper and habits of every animal to be 

 inspected. 



" 5th, To inspect with gentleness and caution, remembering that there 

 was danger from behind as well as before. 



"6th, Never to be without a small pocket-lanthorn, glazed with 

 a thick plano-convex lens, wax candles, and the means of 

 ignition, either to explore in the absence of daylight, or to 

 obtain a perlustration of parts on which daylight can rarely 

 impinge. Trans, of the Prov. Med. Assoc., vol. viii." 



