246 CONNAGIOUS DISEASES OF DOMESTICATED ANIMALS. 



iug the drive south we had several frosts and continuous cool weather. We consid- 

 ered ourselves safe in starting after the frost ; but to obviate all danger we endeavored 

 to keej) a safe distance away from the through trail ; therefore we kept 20 miles west 

 of it until we had to cross it; we then turned a square corner and drove across the 

 trail. 



I asked Mr. Osboru if it might not be possible that they crossed trails 

 of Southern cattle between Salina and Sedgwick, but he said he was 

 sure they had not. If their cattle were exposed only to the through 

 trail then the stage of incubation in the first cow was probably less 

 than three days, positively not more than four. 



Respectfully submitted. 



M. R. TRUMBOWER, V. S. 



Sterling, III., December 20, 1883. 



