List of Half-tone Illustrations 



PLATE FACING PAGE 



cxxii. HEADS OF COPPERHEAD SNAKE AND WATER MOC- 

 CASIN. From Top and Side 

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

 cistrodon piscivorus ..... 



cxxiii. A COPPERHEAD "DEN" ..... 



HOME OF THE WATER MOCCASIN. A Bayou in 

 the Georgia Lowgrounds .... 



cxxiv. PLATES UNDER TAILS OF POISONOUS AND HARM- 

 LESS SNAKES ...... 



DIFFERENT STAGES OF THE RATTLE . 

 LONGITUDINAL SECTION OF THE RATTLE 

 cxxv. HEADS OF DWARF RATTLESNAKES 

 cxxvi. PIGMY RATTLESNAKE, Sistrurus miliarius 



MASSASAUGA, Sistrurus catenatus 

 cxxvii. A RATTLESNAKE "DEN" ..... 



A HAUNT OF THE DIAMOND RATTLESNAKE . 

 cxxviii. TIMBER RATTLESNAKE AND NEWLY BORN LITTER 

 cxxix. HEADS OF NORTH AMERICAN RATTLESNAKES 

 cxxx. HEADS OF NORTH AMERICAN RATTLESNAKES 

 cxxxi. TIMBER RATTLESNAKE, Crotalus horridus. Yellow 

 Phase ....... 



TIMBER RATTLESNAKE, Crotalus borridus. Black 

 Phase ....... 



cxxxii. WESTERN DIAMOND RATTLESNAKE, Crotalus atrox 



RED DIAMOND RATTLESNAKE, Crotalus atrox 



ruber ....... 



cxxxiii. MOUNTAIN DIAMOND RATTLESNAKE, Crotalus atrox 

 Phase scutulatus ..... 



BLACK-TAILED RATTLESNAKE, Crotalus molossus 

 cxxxiv. PRAIRIE RATTLESNAKE, Crotalus confluentus . 



PACIFIC RATTLESNAKE, Crotalus oregonus 

 cxxxv. HORNED RATTLESNAKE, Crotalus cerastes . 



HEAD OF THE HORNED RATTLESNAKE 

 cxxxvi. GREEN RATTLESNAKE, Crotalus lepidus 

 PRICE'S RATTLESNAKE, Crotalus -pricei 



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XXXH 



