178 OPHIDIANS. 
angle, formed by the junction of two straight lines, and other 
groups of lines converging from common centres, suggest crys- 
tals, as shown in Fig. 13. 
MICROSCOPICAL SFIGMAS, SHOWING THE APPEARANCE OF THE 
POISONS IN THE BLOOD OF A DOG AND OF A FOWL. 
As taken by Dr. Douglas Cunningham, Bengal. 
Fie. 3. Fig. 4. 
Fi@. 5. FIG. 6. 
1080 diameters. 330 diameters. 
Figs. 3, 4, and 5 show the microscopical sfigmas of Cobra- 
poison in the blood of a dog. 
