1913] Sweet: Epitlielioma of the Common Fowl 51 



Rous, P. 



1911. A sarcoma of the fowl transmissible by an agent se])arable 

 from the tumor cells. Jour. Exp. Med., 13, 396-411, pis. 

 38-52. 

 Salmon, D. E. 



1899. Diseases of Poultry (Geo. E. Howard Co., Washington), 248 

 pj)., 71 figs, in text. 

 SCHMID, G. 



1909. Untersuchungen iiber die Beziehung zwischeu Gefliigeldiph- 



therie und Epithelioma contagiosiim. Centlbl. Bakt., 52, 200- 

 234, 2 figs, iu te.xt. 

 SiGWAKT, H. 



1910. Experimentalle Beitriige zur Frage der Identitat von Gefliigel- 



diphtherie und Gefliigelpocken. Centlbl. Bakt., 56, 428-464. 

 Waed, a. R. 



1905. Observations ou rouii iu chickens. Proc. Am. Vet. Med. Assoc. 

 1905, 198-201. 



Zoological Laboratory, 



University op California. 



Transmitted Ajml 24. 1912. 



