326 Veterinary Medicine. 



Fatigue, debility, ill health, predispose. Exertion to fatigue rouses symp- 

 toms in animal affected. Cow in full milk eliminates toxins and does not 

 show symptoms ; the milk infects. Steers, bulls and heifers, show marked 

 symptoms. Calves sufler through milk ; swine through veal ; dogs through 

 pork ; buzzard through dead dog. Incubation 8 to 12 days. Symptoms : 

 tardy, lazy gait, drooping, anorexia, ardent thirst, inactive bowels and kid- 

 neys, milch cows when driven or excited, tremble and may suddenly die. 

 Muscular debility, constant decubitus, complete apathy, neither evades nor 

 resents injury. Bloodshot, fixed, glazed, unwinking eyes, pulse and breath- 

 ing slow, temperature low, hebetude, torpor, coma ; death 8th to loth day. 

 Sheep very prostrate. Calves tremble when sucking, vomit and perhaps die 

 suddenly. Pigs and dogs vomit, and show costiveness, remarkable debility 

 and weariness. Man is weary, languorous, weak, apathetic, loathes food, is 

 nauseated, retches. No fever ; but ardent thirst, tremulous tongue, mawk- 

 ish breath, soft flabby belly, careless of own or fathily interests, forgetful 

 of decency. Nausea, vomiting of blueish liquid, hebetude, inactive bowels, 

 coma. Lesions : gastro-intestinal congestions ; ingesta like hard balls of 

 saw-dust. Treatment : charcoal, mild laxatives, elm bark, egg-nog, potas- 

 sium permanganate. Prevention : clear timber land, let in sunshine, culti- 

 vate. Insects. Sterilize the milk. 



This is an infectious disease which has been found enzootic in 

 certain unimproved, timbered lands of North tarolina, Georgia, 

 Tennessee, Kentucky, W. Pennsylvania, Ohio, Michigan, In- 

 diana and Illinois. Beach says it has never been reported on any 

 of the Western prairies, at any point west of the Mississippi 

 River, in New England, in the Canadas, in any Lslands, or in 

 any part of the Old World. Altitude appears to have no effect 

 in its production, nor geological formation; it has been found in 

 the wooded mountains of the Blue Ridge of N. Carolina and 

 Georgia (Kerr, Salmon, Phillips); in the hills of Pennsylvania 

 and Kentucky; (Beach, Phillips); on timbered uplands 

 (Phillips); and on the wooded bottoms of the Scioto and Miami 

 in Ohio (Phillips, Schmidt); in the timbered bottom lands of the 

 Wabash and White Rivers in Indiana (Phillips); and in the 

 wooded bottoms (Beardsley), and Indian Grove in Mcl,ean, Co., 

 111. (Beach). The constant conditions are the heavily timbered 

 and virgin condition of the soil. 



It was much more prevalent in the time of the early settlers, 

 than it is to-day, many infecting localities having become salu- 

 brious in connection with the clearing away of the forests and 

 cultivation of the soil. The disease was well known to the In- 

 dians and often proved disastrous to the pioneers, whole com- 



