CONTENTS. / 



PAGE. 



Heloderma 120 



suspectum (Gila Monster) 120 



XantumdcK 122 



Xantiisia 123 



vigilis (Desert Night Lizard) 123 



heushawi (Henshaw's Night Lizard) 128 



riversiana (Island Night Lizard) 130 



Teiidce 132 



Cnemidophoriis 133 



tigris (Desert Whip-tail) 134 



undulatus (California Whip-tail) 137 



stejnegeri (Stejneger's Whip-tail) 139 



Vertiearia 140 



hyperythra beldingi (Belding's Orange-throat) 141 



Scincidie 143 



Eumeces 143 



skiltoniauus ( Western Skiuk) 144 



gilberti (Red-headed Skiuk) 147 



Serpentes 150 



Leptotyj)hlopid<x 150 



Siagouodon 150 



humilis (Worm Snake) 150 



Boidtt 152 



Lichauura 152 



roseofusca (California Boa) 152 



Charina 154 



bott* (Rubber Snake) 154 



Colubrida- 157 



Chilomeniscus 158 



ephippicus (Burrowing Snake) 159 



Chionactis . 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 



californicB (California Milk Snake) 172 



Rhinocheilus 174 



lecontei (Long-nosed Snake) 174 



Tuntilla 176 



eiseni (Cidiforuia Tautilla) 177 



