List of Half-tone Illustrations 



FACING PACK 



HEADS OF COPPERHEAD SNAKE AND WATER Moc- 



PLAT> 



cxxii. 



CASIN. From Top and Side . . 419 

 WATER MOCCASIN; "COTTON-MOUTH" SNAKE, An- 



cistrodon piscivorus 419 



cxxiii. A COPPERHEAD "DEN" . . 422 

 HOME OF THE WATER MOCCASIN. A Bayou in 



the Georgia Lowgrounds .... 422 



cxxiv. PLATES UNDER TAILS OF POISONOUS AND HARM- 

 LESS SNAKES ...... 423 



DIFFERENT STAGES OF THE RATTLE . . . 423 



LONGITUDINAL SECTION OF THE RATTLE . . 423 



cxxv. HEADS OF DWARF RATTLESNAKES . . 426 



cxxvi. PIGMY RATTLESNAKE, Sistrurus miliarius . . 427 



MASSASAUGA, Sistrurus catenates . . . 427 



cxxvii. A RATTLESNAKE "DEN" . . . 430 



A HAUNT OF THE DIAMOND RATTLESNAKE . . 430 



cxxviii. TIMBER RATTLESNAKE AND NEWLY BORN LITTER 431 



cxxix. HEADS OF NORTH AMERICAN RATTLESNAKES . 438 



cxxx. HEADS OF NORTH AMERICAN RATTLESNAKES . 439 



cxxxi. TIMBER RATTLESNAKE, Crotalus borridus. Yellow 



Phase ....... 442 



TIMBER RATTLESNAKE, Crotalus horridus. Black 



Phase ....... 442 



cxxxii. WESTERN DIAMOND RATTLESNAKE, Crotalus atrox 443 

 RED DIAMOND RATTLESNAKE, Crotalus atrox 



ruber ....... 443 



cxxxiii. MOUNTAIN DIAMOND RATTLESNAKE, Crotalus atrox 



Phase scutulatus ..... 452 



BLACK-TAILED RATTLESNAKE, Crotalus tnolossus 452 



cxxxi v. PRAIRIE RATTLESNAKE, Crotalus confluentus . . 453 



PACIFIC RATTLESNAKE, Crotalus oregonus . . 453 



cxxxv. HORNED RATTLESNAKE, Crotalus cerastes . . 460 



HEAD OF THE HORNED RATTLESNAKE . . 460 



cxxxvi. GREEN RATTLESNAKE, Crotalus lepidus . . 461 



PRICE'S RATTLESNAKE, Crotalus pricei . . 461 



XXXII 



