318 



Diseases of Poultry 



are embedded. Tyzzer and Ordway ' have described a 

 myxosarcoma in which masses of mucus were eml)ed(lcd in a 



Fig. 70. — Large osteo-chondrosarcoma produced by intramuscular in- 

 jection of 4 CO. of the Berkfeld filtrate of an extract of chicken tumor VII. 

 The fowl was killed when comatose eighty-seven days after the injection. 

 Its emaciation should be noted. (After Rous and Murphy.) 



connective tissue matrix and Rous, Murphy, and Tytler ^ 

 found a transmissible Osteo-chondrosarcoma. 



1 Loc. cit. 



- Loc. cit. 



