118 APPENDIX. 



circulation in other states, which were traversed 

 by gradual progression, and with a rapidity 

 proportionate to the celerity of communication. 

 Again insular, and sequestered localities escaped, 

 viz Prince Edward's and Vancouver's islands, Key 

 West. Hayti, St. Domingo, Jamaica and Lapaz. 

 The island of Cuba became victimized through 

 the importation of American horses, but stopped 

 at Panama, where there is no horse traffic on 

 account of the state of the country. 



SYMPTOMS : This affection comes on sud- 

 denly with great weakness and stupor. The head 

 often inclines downwards with closed, or halfclosed 

 lusterless eyes, and apparent dread of motion, 

 with swaying unsteady gait whenever he attempts 

 to moove, with cracking of the joints. The appetite 

 is lost, mouth hot and clammy, bowels costive, 

 urine scanty and high colored, pulse accelerated 

 and weak (sometimes hard), more or less cough, 

 which is deep painful and hacking, cropitation, or 

 harsh blowing sounds are discovered in the Chest, 

 and membrane of nose is of a bright pink or dull 

 leaden hue, and the ears and legs alternately cold 

 or hot, hair rough, skin tender, and frequently 

 trembling ; The nose is found discharging a 

 yellowish white, or greenish matter, which ushers 

 in the critical stage of this disease, when by 

 strictest care the horse may change for the better, 

 and speedily recover,, or an increasingly heavy 

 breathing, deep and painful cough, with difficult 

 respiration, and dullness on percussion convince 

 even the ordinary practitioner that the lungs are 

 seriously involved ; and at this critical stage may 

 present the symptoms common to Pleurisy, 

 Pneumonia, Bronchitis, Hydrothorax, Pericardi- 

 tis, Hydropericardium &c. Clots may sometimes 

 form in ventricles or auricles of the heart bringing 



