324 



Fig. 9. — Section of multiple skin tumors, from the same horse as 

 Fig's. 7 and 8. The blood vessels in the tumors are not well de- 

 veloped, but the vessels, just below the tumors in the subcutaneous 

 connective tissue, are numerous and large. The young tumors are 

 surrounded by concentrically arranged fibres, and young tumors are 

 made up chiefly of young, spindle-shaped connective tissue cells. 



A, (x74) a, Blood vessels; b, encapsulated multiple tumors; c, 

 fibrous tissue. B, (x534) cross and oblique section of two arteries, 

 jnst below the multiple tumors in A. C, (x534) repi*esents b of A 

 under a higher power. D, (x534) repi-esents c of A under a higher 

 power. 



