UNITED STATES DEPARTMENT OF AGRICULTURE 
DEPARTMENT BULLETIN No. 1449 
Washington, D. C. T October, 1926 
TUMORS OF DOMESTIC ANIMALS 
By 
ROBERT J. FORMAD, Associate Pathologist, Pathological Division 
Bureau of Animal Industry 
CONTENTS 
Pate 
Etiology 2 
Classification of Neoplasms 4 
Nomenclature . ,8 
Connectire-Tissue Neoplasms 8 
Myeloma 15 
Myoma 15 
Rhabdomyoma ,16 
Neuroma 17 
Glioma «... 18 
Angioma 19 
Lymphangioma . 20 
Lymphoma 20* 
Sarcoma 21 
Endothelioma . . . . * . . .27 
Epithelial Neoplasms 28 
Papilloma 28 
Adenoma 29 
Carcinoma -30 
Teratoid Neoplasms (Teratoma) . 37 
Cysts 38 
Syncytioma 39 
Literature Cited . 39 
WASHINGTON 
GOVERNMENT PRINTING OFFICE 
1928 
