Proc. E. I. Acad., Vol. XXVII., Sect. B. 



Plate VI. 



Fis. 1. 



Fk-. 2. 



Fk-. 



Fig. i. 



Mettam— TuMOUKS IX Birds. 



Fig. 5. Fig. 6. 



Mettam — Spiroch.'etes in Sarcomata of Dogs. 



Fig. 5— Spirochsetes with three tumour-cells, x 1330. 



Fig. 6 — "Corps enigmatiques " (fusiform bodies, &c.), x 1330. 



