286 



INDEX 



Page 



Running movement 39, 93, 119, 192, 193. 221, 240 



Salvador 62 



Salfadnrn grahinnine heiulepis 1,39 



.•^an .I().<e Island nice-riinner 244 



San ,Tose Island whiptail 202 



San Pedro Martir Island whiptail 205 



San Pedro Nolasco Island spotted whiptail.. 211 



Santa Catalina Island spotted whiptail 213 



Sceloporus undulatus undulatiis 94 



Scolecosaurus _ 251 



Seps 8.10 



caeruleus 30. 32 



lemni.scata 30 



mtirinus 9, 11, 46, 47 



sexlineata 76 



Sexlineatus group __. 20, 76, 120, 



140, 143, 144, 250, 253. 254. 255. 257, 258, 259, 260 



Sexual dimorphism. 37, 49 



Six-lined race-runner 76 



Skull ._ 18 



Snails, used as food 94 



Sonoran race-runner ... 122 



South Carolina 89 



South Dakota. 90 



Speciation 4, 5, 73 



Species, concept of 3 



insular 3, 4,5 



of uncertain taxonomic position 249 



remarks on lumping of 3 



remarks on retention of indefinable . 3 



Speed 119,138,192,193,220,239 



Spotted race-runner 97 



Stomach contents 94, 139, 195, 196 



Subspecies, concept of 3, 158 



Summary, deppii group 74 



hyperythrus group 246 



lemniscatus group 53 



sexlineatus group 144 



tessellatus group 221 



Sunning and need of warmth 192 



Swan Island 39 



Systematic notes 32,43,47,57,67, 



79, 101, 125, 152, 199, 205, 208, 211, 213, 228, 249 



Tantilta nelsoni 106 



Taraguira 46 



Taxonomic refinements, reference to 10 



Teeth 18 



Teiidae, discussion of phylogeny of 251, 252,253 



Teius 9, 10, 14, 251 



caeruleocephata 31, 32 



cyaneus 30,32,46 



lemniscatus 30, 76 



Tejas 



a men a 



cyaneus..... 



ocelli fer 



iritaeniatus. 

 Tennessee. -- 



Page 

 lO- 

 11 

 11 

 9,11,43 

 11 

 90 



Tessellated lizard.. 146 



Tessellatus group 14,20, 



120, 143, H6. 250, 253, 254. 255. 257, 258, 259, 260 



Texas 90,114,136,186 



Teyus cyaneus 30 



ocellifer 43 



Tiger lizard 146 



Tobago 39 



Tongue 11,12,13,14,201,254 



Tracks 191 



Trinidad 39 



Tupinambis 252, 2,'j3 



Urinary bladder, absence of 18 



Utah 136, 186 



Variation, colorational 3, 4,9, 



16, 17, 18, 21, 42, 60, 64, 68, 69, 132, 1,53, 

 154, 155, 156, 157, 174, 210, 217, 235, 236. 



geographical 3, 4,9,21, 



42.83, 101. 102. 112. 132. 174, 235, 236 



physiological 5 



structural 3.5. 18,21,33, 



49. fiO, 65. 71. 112. 175. 176, 233. 234. 235. 230 



Venezuela 39,50 



Venezuelan Islands 39,42 



Verticaria 11, 14 



beldingi 141, 226, 227,228, 229. 230, 232 



caerulea 232,240 



ceralhensis 14 



espiritertsis 228. 230. 231. 232, 233, 239 



franciscensis 228, 230, 232, 233, 234 



hyperythrn.... 14, 226, 228, 229, 230, 232, 235 

 beldingi... 227, 231, 235, 236, 239 



beldingii 227 



hyperythra. 226, 231, 232, 230,239 



schmidti 228, 



230, 231, 233, 234, 236 



pictii 242 



sericca .-. 231,232,244 



Virginia 91 



Water, concealment in 119, 138,194 



Western orange-throated race-runner 226 



Western reticulated whiptail 208 



Wisconsin. 91 



C) 



