548 



INDEX TO ILLUSTRATIONS. 



N. 



o. 



Olive-brown water snake ..... 

 Osmosis — to explain how venom passes into the blood 

 Oviparous adder ...... 



91 



307 

 244 



Pet snakes and boy 



Phagosytes 



Poison apparatus of snake . 



of Puff Adder, Cape Cobra, and Boomslangs 

 Psammophis genus of snakes — (cross-marked snakes) 

 PuflE adder — fangs of . 

 head of . 

 dissection of 

 eggs and young of 

 and batch of young 

 swallowing a rat 

 how it bites 

 how it strikes . 

 the sexes 

 swallowing prey 



dissection of poison glands and fangs 

 collecting venom of 

 Puff adders and Mole snakes 

 ,, adder and her young . 



,, after swallowing a rat 

 Python — head of 



,, and its skeleton 



,, in its native habitat 



,, and a boy 



,, constricting a buck . 



,, on a krantz 



about to swallow a Khp Dassie 

 ,, swallowing a bird 

 ,, — feeding one in captivity 

 ,, — claws and rudimentary legs 



Regius .... 

 ,, after swallowing a pig 



. 462 



• 301 

 25 



• 361 

 122 



213. 349 



• 346 

 . 219 



222 



224, 473 

 36, 226, 479 



357 

 228 

 230 

 232 

 237, 361 



375 

 467 



471 

 477 

 58 

 59 

 61 

 64 

 66 

 07 

 70 



73 



76 



78 



281 



329 



R. 



Relative lengths of Epochs 

 Respiration methods . 



9 

 432, 433 



