LIST OF ILLUSTRATIONS xv. 



I'A(iK 



-Acanfliopliis aiifarcficus ... ... ... ... ... ... 97 



-Rliijncltelaps australia ... ... ... ... ... ... ... 98 



. — Skull of Furina occipitalis ... ... ... ... ... ... 99 



-Furina occipitalis ... ... ... ... ... ... ... 99 



-Skull of Ehtps marcffravii ... ... ... ... ... ... 101 



. — Flaps fnlviits (Harlequin Snake) ... ... ... ... ... 105 



-Head and Skull of Crotaliis Jiorridits (Horrid Rattle-snake) ... 109 



-Aticistrodon piscivorus (Water Viper) ... ... ... ... 110 



-Lachesis lanceolatus (Fer-de-Lance)... ... ... . . .. 112 



. — -Lachesis neuwiedii (Uruti'i) ... ... ... ... ... ... 116 



. — Sistriirus catcnatus (Prairie Rattle-snake) ... ... ... ... 121 



. — A. Horny appendage (rattle) of a Crotalus liorridus ... ... 122 



B. Horny appendage, longitudinal section ... ... .. ... 122 



C. Separated segments of the appendage ... ... ... ... 122 



. — Crotalus terrificus (Dog-faced Rattle-snake) ... ... ... 123 



. — Crotalus scutulatus (Texas Rattle-snake) ... ... ... ... 126 



. — Crotalus confluentus (Pacific Rattle-snake). .. ... ... ... 128 



. — Crotalus cerastes (Horned Rattle-snake) ... ... .. ... 130 



. — Skull of Hydras platurus ... ... ... ... ... ... 132 



. — Hydrus platurus ... ... ... ... ... ... ... 133 



— Hydrophis coronatus ... ... ... ... ... ... ... 134 



. — Hydropliis elegans ... ... ... ... ... ... ... 135 



.—UkuW oi Distira 137 



— Enhydrina valahadien (E. bengalensis) ... ... ... ... 138 



— Skull of Platurus colubrinus ... ... ... ... ... ... 139 



— Platurus laticaudatus (P. fischeri) ... ... ... ... ... 140 



— Collecting venom from a Lachesis at the Serotherapeutic Insti- 

 tute of Sao Paulo (Brazil) ... ... ... ... ... 154 



Fig. 86. — Chloroforming a Cobra in order to collect venom at Pondicherry 



(first stage) ... ... ... ... ... ... ... ... 155 



Fig. 87. — Chloroforming a Cobra in order to collect venom at Pondicherry 



(second stage) ... ... ... ... ... ... ... 157 



Fig. 88. — Collecting Cobra-venom at Pondicherry (third stage) ... ... 158 



Fig. 89. — Mongoose seized by a Cobra ... ... ... ... ... ... 225 



Fig. 90. — Indian Snake-charmer at Colombo (Ceylon) ... ... ... 230 



Fig. 91. — Indian Snake-charmer at Colombo (Ceylon) ... ... ... 231 



Fig. 92. — Musical instrument used by Indian snake-charmers to charm 



Cobras 232 



Fig. 93. — Vaccinating a horse against venom at the Pasteur Institute, Lille 244 

 Fie. 94. — Aseptically bleeding a horse, vaccinated against venom, in order to 



obtain an ti venomous serum, at the Pasteur Institute, Lille... 245 

 Fig. 95. — Technique of injecting antivenomous serum beneath the skin of 



the abdomen ... ... ... ... ... ... ... 264 



Fig. 96. — Lactrodectus mactans ... ... ... ... ... ... ... 275 



Fig. 97. — Scorpio occitanus ... ... ... ... ... ... ... 277 



Fig. 98. — Scolopendra morsitans ... ... ... ... ... ... ... 280 



