SECTIO]Sr X 



TUMORS 



Tumors of various kinds affect l)irds, l)ut are less eoinmon 

 tlian in higher animal life. There is almost no literature on 

 the subject. The following reports from the author's labora- 



A 



X ?...,/ 



Fig. 60. Hematoma of Ovary in a Hen (natural size). 

 A, diseased ova; B, sectioned surface of two of the I)lood tumors. 



tory are given for their interest, rather than their utilitarian 



value. 



Occurrence of Tumors. — Some definite data as to the occurrence 

 of tumors is given by the Maine Experiment station in the Journal 

 of Ar/ricultural Research. 



