No. 4.] REPORT OF CATTLE BUREAU. 307 



Section 21. If animals have been quarantined, collected or 

 isolated upon the premises of the owner or of the person in pos- 

 session of them at the time such quarantine is imposed, the expense 

 thereof shall be paid by such owner or person ; but if specific ani- 

 mals have been quarantined or isolated under the provisions of 

 section five or section nineteen for more than ten days upon such 

 premises, as suspected of being affected with a contagious disease, 

 and the owner is forbidden to sell any of the product thereof for 

 food, or if animals have been quarantined, collected or isolated on 

 any premises other than those of such owner or person in posses- 

 sion thereof, the expense of such quarantine shall be paid by the 

 Commonwealth. 



Towards spring it was found that the winter's storms had 

 caused many of the posters printed on heavy cardboard to 

 fall down or blow away, and some may have been torn down 

 by malicious persons. In instances where it was necessary 

 to replace these notices with new ones they were printed on 

 cloth, which was found to be much more durable. In a 

 similar experience all posters intended to be put up out of 

 doors should be printed on cloth in the first place. 



The Wakefield Outbreak. 



The outbreak of foot and mouth disease at "Wakefield in 

 August deserves separate mention, because upon investiga- 

 tion it was found to be distinct from the one of the previous 

 winter, and its source may throw some light upon the cause 

 of the original outbreak, which started in the neighborhood 

 where the lines of Chelsea, Everett and Revere converge, 

 known as Prattsville, as long ago as July or August of 1902. 



The outbreak in Wakefield occurred at the farm of Mr. 

 George R. Tyzzer. The disease appeared in one of his cows 

 Friday, August 21. By Sunday, August 23, the herd, con- 

 sisting of four cows and a calf, showed unmistakable symp- 

 toms of foot and mouth disease, and was appraised and 

 destroyed by agents of the United States Bureau of Animal 

 Industry. 



This outbreak resulted from some experiments being made 

 at the farm by Mr. Tyzzer's son, Dr. E. E. T^^zzer, assistant 

 in i)athology at the Harvard Medical School, upon some 



