icincicauda (Elgaria) ..—450 



(Gerrhonotus). .22, 24, 25, 37, 436, 442, 

 450,451. 457, 458 



(Gerrhonotus) 451, 45 5 



( TrofiioUfh) 45 



scincicaudui (Gerrhonotus) 440, 450, 45 5 



Scincid^ 49 



schlegelii (Dermochelys) 23, 33, 38 



sckmidti (Phrynoioma) . — 40 1 



(Verticaria). 34, 41, 5 52, 562, 563, 



565, 566 



Schmidt'3 Orange-throat 563 



schcttii (Uta) 203, 216, 241 



SCO f aria (Uma) . . 132, 136 



scofarius (Callisaurus) 132 



semiannulata (Sonora) 27, 28, 30, 32 



serailineatus (Coluber) 30, 32 



sericca (Verticaria), ...41, 553, 560, 563, 571 



sericeu! (Cnemidofhorus) 571 



Seven-lined Whiptail Lizard 495 



sex-lineatus (Cnemidofhorus) _._.500, 519, 



546, 549 



189 



128 



Short-nosed Giant Uta 



Leopard Lizard 



Siagonodon humilis 



.22, 30, 32, 35, 38 

 silus (Crotaphytus)-.21, 104, 118, 128, 130 



Silverj' Footless Lizard 465 



Sistrurus catenatus edwardsii 31, 32 



skiltonianus (Eumeces) 579, 5 80 



(Plestiodon)-.-._22, 24, 25, 26, 27, 28, 

 34, 38, 445, 578, 5 80 



Skilton's Skink ___. 581 



Skink, San Lucan 587 



Skilton's 581 



Sonoran 5 89 



Western 



White-spotted 



Slevin's Chuckwalla 

 slevini (Sauromalus). 

 (Uta) 



Small-scaled Uta ._ 



.578, 581 



594 



97 



-39, 86, 97, 101 



39, 182, 194 



219 



smaragdinus (Sceloforus) 298, 305 



Snakes 18, 19 



Socorro Island Uta 197 



solare (Phrv-nosoraa) 29, 32, 34, 368, 



406, 407 



Solaris (Fhrynosoma) _406 



Sonora episcopa 23, 30, 35 



occipitalis 23, 30, 35 



semiannulata 27, 28, 30, 32 



Sonoran Alligator Lizard 461 



Gridiron-tailed Lizard 150 



Homed Toad 426 



Sonoran (Continued) 



Skink 



Whiptail Lizard 



WDEX 609 



589 



499 



sonoriense (Kinostemon) 23, 31, 33 



Southern Brown-shouldered Uta _240 



Mountain Swift 286 



spinosus (Sceloporos) 330, 359 



Spiny Chuckwalla 99 



splendida (Lampropeltis) 30, 32 



splendidus (Callisaurus) 39, 139, 148 



Squamata 48 



squamata (Uta) 40, 185, 249, 254 



squamosa (Eretmochelys) 36 



stansburiana (Uta). ...21, 24, 26, 27, 124, 

 181, 185, 219, 220, 223, 225, 

 227, 228, 231, 233, 235, 240, 

 243, 245, 246, 249, 251, 252, 



254 



stejnegeri (Cnemidophorus) 22, 34, 37, 



492, 510, 511, 512, 517, 518, 

 519,520, 525 



stejnegeri (Pituophis) . 25, 26, 28 



( Uta) 241 



Stejneger's Bine-bellied Lizard 295 



Whiptail Lizard 5 1 9 



stellata (Uta) 37, 223, 225 



Stenodactylui variegatus 58 



stramineus (Chilomeniscns) 35 



Striped Swift 290 



Whiptail Lizard 504 



suspectum (Heloderma)..27, 28, 29, 32, 471 



Swift, Mountain . 280 



Orange-sided 268 



^^age-brush . 272 



Southern Mountain 286 



Striped . 290 



symmetrica (Uta) ...21, 26, 29, 31, 34, 202, 



203, 207 



tsniatus (Coluber) 22, 24, 26, 27, 28, 30 



Tantilla eiseni. . 23, 35 



nigriceps 28, 30 



planiceps 35 



wilcoxi 30 



Tafaya comuta 



coronata 



Douglassii 



hemandesi 



hernandexH 



omalissima 



taylori (Sceloporos) 



Teiidi 



Tenava Blue-bellied Lizard 



— . 409 



395 



369, 377 



-371, 373, 382 

 382 



-371, 377 



21, 316 



49, 489 



315 



tenuis (Contia) 



Terepene omata 



-23, 24, 25, 38 

 31 



