INDEX 



269 



Sixth sense, 75 



Skeleton, 40 



Skull, 40 



Smallest Snakes, 21 



Smooth Snake, 197 



Snake-charmers, 139 



Snake-stones, 141 



Snake swallowing her young, 88 



Snake-worship, 139 



Snout, 12 



Solenoglyphs, 56 



Southern Smooth Snake, 202 



Squama ta, 1 



steindachneri {Viper a ammodytes, 



var.), 252 

 Stomach, 79 

 Subcaudal shields, 15 

 subfasciatus {Tropidonotus natrix, 



var.), 155 , . • 



subgriseus {Coluber longissimus, 



var.), 189 

 Symoliophis, 7 

 Syncranterians, 58 



Tail. 9 



Tarbophis, 216 



Tarbophis fallax, 217 



Tarbophis iberus, 219 



Teeth, 53 



Tessellated Water-Snake, 160 



tessellatas {Tropidonotus), 160 



Thymus gland, 78 



Ticks, 108 



Tongue, 74 



Tongue-worms, 108 



torquatus {Coluber), 152 



trabalis {Zamenis gemonensis , var .), 



172 

 Trachea, 78 

 transcaucasiana {Viper a ammodytes, 



var.), 256 

 Tree-Snakes, 36, 92, 94 

 Trematoda, 112 

 Tropidonotus, 152 

 Tropidonotus chersoides, 167 

 Tropidonotus natrix, 152 

 Tropidonotus tessellatus, 160 

 Tropidonotus viperinus, 165 

 Typhlopida, 4, 143 



Typhlops, 144 



Typhlops vermicularis, 144 



Ureters, 81 

 Uroveltida, 5 

 Urosteges. 15 

 ursinii {Vipera), 221 



Veins, 77 



veithi (Loronclla austriaca, var.), 



199 

 Ventral shields, 15 

 vermicularis {Typhlops), 144 

 Vertebrae, 50 

 Vertebral column, 50 



Vipera, 221 



Vipera ammodytes, 249 



Vipera aspis, 239 



Vipera berus, 230 



Vipera latastii, 247 



Vipera lebetina, 257 



Vipera macrops, 224 



Vipera pr ester , 235 



Vipera renardi, 227 



Vipera ursinii, 221 



ViperidcB, 5, 220 



Viperince, 5. 220 



Viperine Water-Snake, 165 



viperinus {Tropidonotus), 165 



viridiflavus {Coluber), 170 



Viscera, 77 



vivax {Ailurophis), 217 



vosseleri {Tropidonotus tessellatus, 



var.), 162 

 vulgaris {Natrix), 152 



Warning coloration, 35, 36 

 Water-Snakes, 92, 94, 160 

 Whip-Snake, 170 

 Worms, no 



XenopeltidcB, 5 



Zamenis, 170 



Zamenis carbonarius, 172 



Zamenis dahlii, 177 



Zamenis gemonensis, 170 



Zamenis hippocrepis, 179 



Zamenis sardus, 172 



Zoogeographical Regions, 119 



