PAGE 



The Reptiles 626 



Blue-bellied Lizards, Sceloporus occidentalis 626 



Western Fence Lizard, Sceloporus occidentalis occidentalis 



Pacific Blue-bellied Lizard, Sceloporus occidentalis bi-seriatus 



Tenaya Blue-bellied Lizard, Sceloporus occidentalis taylori 



Mountain Lizard, Sceloporus graciosus graciosus 628 



California Horned Toad, Phrynosoma blainvillii frontale 630 



Alligator Lizards, Genus Gerrhonotus 630 



San Diego Alligator Lizard, Gerrhonotus scincicauda webbii 



Sierra Alligator Lizard, Gerrhonotus palmeri 



CaUfornia Whip-tailed Lizard, Cnemidophorus tigris mundus 632 



Western Skink, Plestiodon skiltonianus 633 



Rubber Snake, Charina bottae 635 



Garter Snakes, Genus Thamnophis 636 



Pacific Garter Snake, Thamnophis sirtalis infernalis 



Giant Garter Snake, Thamnophis ordinoides couchii 



Mountain Garter Snake, Thamnophis ordinoides elegans 



Wandering Garter Snake, Thamnophis ordinoides vagrans 



Western Ring-necked Snake, Diadophis amabilis amabilis 639 



Coral King Snake, Lampropeltis multicincta 640 



Boyle King Snake, Lampropeltis getulus boylii 640 



California Striped Racer, Coluber lateralis 641 



Western Yellow-bellied Racer, Coluber constrictor flaviventris 643 



Valley Gopher Snake, Pituophis catenifer heermanni 643 



Pacific Rattlesnake, Crotalus oreganus 645 



Pacific Mud Turtle, Clemmys marmorata 650 



The Amphibians 651 



Pacific Coast Newt, Notophthalmus torosus 651 



Mount Lyell Salamander, Eurycea platycephala 652 



Arboreal Salamander, Aneides lugubris lugubris 653 



Slender Salamander, Batrachoseps attenuatus 654 



Western Spade-foot Toad, Scaphiopus hammondii hammondii 654 



California Toad, Bufo boreas halophilus 655 



Northwestern Toad, Bufo boreas boreas 



Yosemite Toad, Bufo canorus P57 



Pacific Tree-toad, Hyla regilla 661 



Yellow-legged Frogs, Rana boylii 663 



California Yellow-legged Frog, Rana boylii boylii 



Sierra Yellow-legged Frog, Rana boylii sierrae 



California Red-legged Frog, Rana aurora draytonii 666 



Bibliography: Articles relating chiefly or importantly to the vertebrate animals of the 

 Yosemite section, published up to the end of 1920 667 



Index 743 



Plates, Colored 

 plate (scattered through the text) 



1. Sierra Nevada Rosy Finch frontispiece 



OPPOSITE PAGE 



2. Sierra Golden-mantled and Belding ground squirrels; Marmot 158 



3. Chipmunks of the Yosemite section 182 



4. Band-tailed Pigeon 278 



5. Woodpeckers of the Yosemite section 326 



6. Family group of WilUamson Sapsuckers 334 



[XV] 



