List of Half-tone Illustrations 



PLATE PACING PAGE 



Ixix. WESTERN GARTER SNAKE, Eutania elegans . . 228 

 ONE-STRIPED GARTER SNAKE, EuUenia elegans; phase 



infernalis ....... 228 



Ixx. GRAY GARTER SNAKE, Euttenia elegans vagrans . 229 

 MARCY'S GARTER SNAKE, Euictnia elegans marciana 229 



Ixxi. BROWN GARTER SNAKE, Eutania equts . . 236 

 Phases of the COMMON GARTER SNAKE, Eutania 



sirtalis ....... 236 



ixxii. RED-BARRED GARTER SNAKE, EuUenia sirtalis pari- 



eialis 237 



PICKERING'S GARTER SNAKE, Eutania sirtalis pick- 



eringii. This is the blackest of the varieties 237 

 of E. sirtalis ...... 



SPOTTED GARTER SNAKE, Euiania sirtalis ordinata 237 

 Ixxiii. HEADS OF THE WATER SNAKES. Tropidonotusleberis, 

 Ohio.- Tropidonotus fasciatus, Florida; Tropi- 

 donoius grahami, Missouri ; Tropidonotus tax- 

 ispilotus, Georgia; Tropidonotus rbombifer, 

 Illinois; Tropidonotus validus, Mexico: Semi- 

 natrix pygaa, Florida ..... 240 



Ixxiv. QUEEN SNAKE, Tropidonotus leberis. (Young) . 241 



QUEEN SNAKE, Tropidonotus leberis. (Adult) . 241 



GRAHAM'S WATER SNAKE, Tropidonotus grabami 241 



Ixxv. BANDED WATER SNAKE, Tropidonotus fasciatus 244 



RED-BELLIED WATER SNAKE, Tropidonotus fasciatus 



erytbrogaster. ...... 244 



Ixxvi. COMMON WATER SNAKE, Tropidonotus fasciatus 



sipedon ....... 245 



BLOTCHED WATER SNAKE, Tropidonotus fasciatus 



transversus 245 



Ixxvii. FLAT-TAILED WATER SNAKE, Tropidonotus compressi- 



caudus ....... 252 



DIAMOND-BACK WATER SNAKE, Tropidonotus rbomb- 

 ifer 252 



Ixxviii. GREEN WATER SNAKE, Tropidonotus cyclopium 253 

 BROWN WATER SNAKE, Tropidonotus taxispihtus. 

 Largest of the North American Water Snakes, 

 Reaching a Length of Five Feet . . . 253 

 xxviii 



