^^ BULLETIN 175, UNITED STATES NATIONAL MUSEUM 



Figure Page 



65. Geographic variation in number of scale rows in Pituophis catenifer 



catenifer 146 



66. Geographic variation in number of ventrals in Pituophis catenifer 



catenifer 147 



67. Geographic variation in number of caudals in Pituophis catenifer 



catenifer 147 



68. Geographic variation in number of infralabials in Pituophis catenifer 



catenifer 148 



69. Geographic variation in ratio of tail length to total length in Pituophis 



catenifer catenifer 148 



70. Geographic variation in number of dorsal spots on the body in Pituophis 



catenifer catenifer 149 



71. Geographic variation in number of dorsal spots on the tail in Pituophis 



catenifer catenifer 150 



72. Geographic variation in total number of dorsal spots in Pituophis 



catenifer catenifer 151 



73. Geographic variation in number of scale rows in Pituophis catenifer 



deserticola 170 



74. Geographic variation in number of ventrals in Pituophis catenifer 



deserticola 170 



75. Geographic variation in number of caudals in Pituophis catenifer 



deserticola 172 



76. Geographic variation in number of infralabials in Pituophis catenifer 



deserticola 173 



77. Geographic variation in ratio of tail length to total length in Pituophis 



catenifer deserticola 174 



78. Geographic variation in total number of dorsal spots in Pituophis 



catenifer deserticola 175 



79. Geographic variation in number of scale rows in Pituophis catenifer 



annectens 189 



80. Geographic variation in number of ventrals in Pituophis catenifer 



annectens 190 



81. Geographic variation in number of caudals in Pituophis catenifer 



annectens 191 



82. Geographic variation in number of infralabials in Pituophis catenifer 



annectens 191 



83. Geographic variation in ratio of tail length to total length in Pituophis 



catenifer annectens 192 



84. Geographic variation in total number of dorsal spots in Pituophis 



catenifer annectens 193 



