INDEX TO ILLUSTRATIONS. 



[N.B. — For list of illustrations in Addenda, see p. xv.] 



Animal ladder of life 



15 



Animals that eat snakes ........ 29 



Applying the test to a snake — a kafir superstition . . . 277 



Artificial respiration ........ 430-431 



Atractaspis adder and skulls of ...... . 245 



B. 



Bacteria — diagrams 



293 



Berg adder .......... 232 



••••••■... 240 



■••••••... 242 



Bibron's adder .......... 245 



• 339 



. 285 



showing grey matter . . . . . .286 



Bird that eats snakes — Jackal Buzzard 

 Brain of man in section 



cells 



and spinal cord ........ 288 



Boomslang — dissection of, showing eggs in situ . . . -151 



Boomslang — head dissected . . , . . . . .391 



Boomslang — head of . . . . . . . . .140 



Boomslang swallowing another ...... 137^ 263 



Boomslangs — a handful of . . . . . . . . ' jco 



Boomslangs — how to hold them . . . . . . .149 



Boy and snakes .......... 45. 



'" ' ' ' ^ 298 



93. 351 



• 97 



287 



Bronchial tubes 

 Brown House snake 

 Bush snake 



C. 



Cannibal Boomslang .... 

 Cast skin of a snake .... 

 Casting its skin — Boomslang in process of 

 Centipede ..... 



Chart showing snake distribution 

 Circulation of the blood 



137. 263 • 

 16 



• 17 



• 312 

 . 161 



297, 300 

 2 N 



