Rabies and Hydrophobia. 259 



iodoform, or iodized starch. The surrounding swelling, if any, 

 may be painted with tincture of iodine, or covered with cloths 

 wet with a sublimate lotion or other antiseptic. Internally, 

 tonics and antiseptics may be given : arsenite of strychnia, quinia, 

 iron or copper sulphate, sulphites or hyposulphites of soda or 

 potash. 



RABIES AND HYDROPHOBIA. 



Synonyms. Definition : Acute, infectious, cerebral disease, of domestic and 

 wild carnivora, shown by intellectual, emotional, and agressive nervous dis- 

 order, and extreme nervous excitability. Animals susceptible : canine and 

 feline animals, biting animals and those bitten, of all warm blooded kinds ; 

 receptivity greatest in carnivora. Geographical distribution : where popu- 

 lation is most dense, trade and movement most active — north temperate 

 zone. Australia, Tasmania, New Zealand, Azores, St. Helena immune — pro- 

 tected by quarantine. Islands in Elbe, places with enforced muzzling. Causes: 

 contagion : inoculation ; rutting ; skunk bites ; absence of flowing robes 

 (men, children). Virulent matters : saliva, bronchial mucus, flesh, blood 

 (not in sheep? ),nnilk, (in advanced stages), nerve tissue. Morbific agent 

 particulate ; filtered liquid noninfecting : blastomyces, bacillus, found but 

 not uniformly : claims of brain symptoms from each. Viability ; saliva 

 virulent for 11 days ; brain 3 weeks at 32° to 63° F., for months aseptic and 

 in contact with carbon dioxide ; water 20 to 38 days ; body in grave 44 days ; 

 virulence lost by drying in thin layer yet kennels remain long infecting ; 

 glycerine preserves ; robbed of virulence by iodine, citric acid, bromine, 

 chlorine, sulphurous and mineral acid and cupric sulphate. Bites of men 

 effective to 50 per cent., protection by clothes, wool, flow of blood, cleaning 

 of teeth by succession of bites. Infection by licking, sneezing, coughing, 

 inhaling, feeding. Incubation 15 to 60 days in dog, 20 to 45 days in horse, 

 14 to 60 days in sheep, swine and cattle, 14 to 64 days in man. Prolonged 

 cases doubtful. Symptoms in dogs : change in disposition, more amiable 

 or morose, dull, apathetic, excitable, unwonted silence or howling, restless, 

 depraved appetite, swallowing small objects, searching, tearing sticks or 

 clothes, licking cold stone or genital organs, hiding in dark corner, dull 

 expression, irritation where bitten, hoarse voice, rabid howl, eyes follow 

 unreal objects, snaps at them, listens for unreal sounds, irritability, fury 

 when threatened with stick or shown another dog, bites without growl, 

 bears master's blow in silence, eyes red, fixed, pupils dilated, squinting, 

 lonely wandering, biting, swimming rivers ; restless excitement alternates 

 with torpor and seclusion, slouching gait when worn out ; in paralytic form ; 

 weakness, paresis, palsy of lower jaw, hind limbs, body, dull, prostrate, 

 apathetic ; in lethargic form ; no fury nor paralysis, but profound prostra- 

 tion and apathy, no coaxing, threat, punishment not even another dog will 



