CONTENTS. 7 



PAOR. 



Heloderma 120 



suspectum (Gila Mouster) 120 



Xantusiidat 1 22 



Xiiutusiii 123 



vigilis (Desert Night Lizard) 123 



heushawi (Henshaw's Night Lizard) 128 



riversiana (Island Night Lizard) 130 



Teiidce 132 



Cuemidophorus 1 33 



tigris (Desert Whip-tail) 134 



iindulatus (California Whip-tail) 137 



stejnugeri (Stejneger's Whip-tail) 139 



Verticiiria 140 



hyperythra beldingi (Belding's Orange-throat) 141 



Scincid(e 143 



Eumeces 143 



skiltoniauns (Western Skink) 144 



gdberti (Ked-headed Skink) 147 



Serpentes 150 



Leptohjphlopidtt 150 



Siagonodou 150 



humilis (Worm Snake) 150 



Bokhe 152 



Lichannra 152 



roseofusca (California Boa) 152 



Chariua 154 



bottaB (Rubber Snake) 154 



Colubridcb 157 



Chilomeniscus 158 



ephippicus (Burrowing Snake) 159 



Chiouactis . 159 



occipitalis (Desert Snake) • 160 



Contia 161 



mitis (Sharp-tailed Snake) 162 



Diadophis 164 



amabilis (Western Ring-neck Snake) 164 



Lampropeltis 166 



zouata (Californian King Snake) 167 



boylii (Boyle's Milk Snake) 169 



californic-e (California Milk Snake) 172 



Rhiuocheilus 174 



lecontei (Long-nosed Snake) 174 



Tantilla 176 



eiseui (California Tantilla) . . 177 



