THE EYE AND EYELIDS 121 



Tumours. 



Probabl)' the most common tumours of the orbital cavity 

 are papilloma, sarcoma, and carcinoma. Each of the last 



Fig. go. — Photograph of Carcinoma of the Orbit of a Dog.^ 



Fig. gi. — Photograph of Carcinoma of the Orbit of a Cat.' 



1 Veterinary Record, vol. y.\\\., p. 6g4 (Proceedings of the Central 

 Veterinary Medical Society). 



