HEEEBITARY TUBERCUIiAR TUMOES 69 



in time past for trouble of the throat and 

 the lungs. Here they were thrown in each 

 other's society and the result is that, owing 

 to propinquity in that section, there is an 

 unduly large percentage of people there to- 

 day who have lung and throat trouble. 



As I dictate these words, a trotting-bred 

 filly has just died. Her dam has had four 

 colts, two of them by a well-known stallion. 

 Both of these colts have met with peculiar 

 deaths. The other two were by another 

 well known stallion that had imported thor- 

 oughbred blood from an illustrious sire. 

 The life germs of this second stallion, un- 

 der microscopic examination, are small and 

 numerous, but well formed, and exceed- 

 ingly quick and vigorous in their action. 

 The two colts from this mating are per- 

 fectly well ; so, on the death of this second 

 colt by the first stallion, an autopsy was 

 held, and it disclosed by microscopic inves- 

 tigation that the colt had tubercular tu- 

 mors. This indicates that the sire of the 

 two colts that died, somewhere in his past 

 history, had an ancestor that had tumors, 

 which stallion's tendencies to tumors, 



