LIST OF ILLUSTRATIONS. XIII 



Page. 



48. Sceloporus oniatus Baird. Coahuila 844 



49. Sceloporus janovii 'Jopt\ Arizona H46 



50. Sceloporus torcjuatus Peale and Greene 348 



51. Sceloporus torquatus poinsettii Baird and Giiard. Texas 350 



52. Sceloporus orcuttii Stejneger. Southern California 355 



53. Scelo])oru8 zosteronius Cope. Lower California 357 



54. Sceloporus clarkii Biiird and Cirard. Arizona 358 



55. Sceloporus spinosus Wieguiann. Texas 364 



56. Sceloporus spinosus Wiegmaun. Pensacola, Florida 366 



57. Scelo])orus undulatus Latreille. Alabama 369 



58. Scelojjorus undulatus undulatus Laticille. California 372 



59. Scclopiu'us undulatus tristichus Cope. New Mexico 376 



60. Sceloporus undulatus cousobrinus Baird and (>iraid 378 



61. Sctdojtorns l)iseriatu8 Hallowell. Utah 382 



62. Sceloporus thayerii Baird and Girard. Texas 385 



63. Sceloporus graciosus Baird and Girard. Oiegon 387 



64. Sceloporus vandenburgianus Cope. San Diego County, California 390 



65. Sceloporus gramniicus Wiegmaun. Tehuantepec 393 



66. Sceloporus couchii Baird. Nnevo Lcow 395 



67. Sceloporus variabilis Wiegmaun 399 



68. Sceloporus scalaris Wiegmaun 402 



69. Phrynosoma douglassii douglassii Bell. Fort Walla Walla 412 



70. Phrynosoma douglassii hernaudesi (lirard. Arizona 413 



71. Phrynosoma douglassii ornatissimum Girard. New Mexico 416 



72. Phrynosoma oibiculare var. ty]iicum Wiegmann. Jalapa, Mexico 418 



73. Phrynosoma solare Gray. Arizona 421 



74. Phrynosoma blainvillei Gray. San Bernardino 424 



75. Phrynosoma cerroense Stejneger. Cerros Island, Lower California 428 



76. Phrynosoma coronatum Blainville. San Diego, California 431 



77. Phrynosoma cornutum Harlan. West Texas 433 



78. Anota modesta Girard. Mexican boundary 437 



79. Anota calidiarum Cope. Death Valley, California 440" 



80. Anota goodei Stejneger. Sonora 442 



81. Anota platyrhina Girard. Utah 444 



82. Anota maccallii Hallowell. Desert of Gila and Colorado 448 



83. Phyllodactylus tuberculosus Wiegmaun. La Paz, Lower California 459 



84. Phyllodactylus unctus Cope. Triunfo, Lower Calilornia 461 



85. Sphicrodactylus notatus Baird. Florida 463 



86. Eublejtharis variegatus Baird. Helotes, Texas 467 



87. Heloderma suspectum Cope. Arizona 477 



88. 0])hisaurus ventralis ventralis Linna'us 495 



89. Oi)hisaurus ventralis Linnjeus, young, type of O. v. sulcatus Cope. 



Dallas, Texas 498 



90. ( )phisaurus ventralis compressus Cope. South Carolina 501 



91. Gerrhouotus lioceiihalus infernalis Baird. Texas 517 



92. Gerrhouotus nobilis Baird and Girard. Arizona 519 



93. (Jerrhonotus multicarinatus Blainville. California 522 



94. Gerrhouotus buruettii Gray. California 527 



95. (ierrhonotus priucipis Baird and Girard 530 



96. Barrissia levicollis Stejneger 535 



97. Xantusia vigilis Baird 545 



98. Xantusia picta Coi)e. Tejon Pass, California 549 



99. Xantusia riversiana Cope. Santa Catalina Island, California 551 



100. Zablepsis henshavii Stejneger. California .554 



101. Amu'bopsis gilbertii Van Denburgh. Lower California 555 



