LIST OP WOOD-CUTS. 



Figure 1. Portion of cranium of Crotahis ..... 



Figure 2. Diagram of the bony parts concerned in raising the fang . 



Figure 3. Palatal view of the muscles of the upper jaw and base of the skull' 



Figure 4. Side view of the right temporal muscles and venom gland 



Figure 5. Side view of the left temporal muscles, gland, duct, and fang 



Figure 6. A. The gland and temporal muscles seen from above. £. Diagram of duct and 

 gland — side view ...... 



Fignre 7. Microscopical structure of the venom gland 



Figure 8. Epithelial cells of the main duct and receptacle at the base of the gland 



Figure 9. Non-striated muscular fibre-cells of the sphincter of the duct 



Figure 10. Diagram illustrating the succession of the fangs . 



Figure 11. Crystals deposited from the diluted venom of the C. conjluentus (Prof. Hammond) 



Figure 12. Appearance of muscular fibre after contact with venom . . . . 



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' In Fig. 3, p. 9, Description — d is described as tlie spheno-palatine muscle. It should be labelled, Central 

 raphe at the base of the skull. 



