CONTENTS 



PAGE 



SYSTEMATIC DESCRIPTION +8 



Class REPTILIA 48 



Order I. SQUAMATA +8 



Suborder I. Sauria (Lizards) , 51 



Family 1. GEKKONiDiE 51 



1. Phyllodactylus 51 



tuberculosus (Tubercular Gecko) 51 



unctus (San Lucan Gecko) .__ 55 



Family 2. EuBLEPHARiDiE 57 



2. Coleonyx 57 



variegatus (Banded Gecko) 58 



Family 3. Iguanid^e 61 



3. Ctenosaura 64 



multispinus (Black Spiny-tailed Iguana) 64 



hemilopha (San Lucan Spiny-tailed Iguana) 66 



4. Dipsosaurus 71 



dorsal is 



dorsalis (Northern Crested Lizard) 73 



lucasensis (San Lucan Crested Lizard) 78 



carmenensis (Carmen Island Crested Lizard) 81 



catalinensis (Catalina Island Crested Lizard) 83 



5. Sauromalus 84 



ater (Northern Chuckwalla) 86 



townsendi (Tiburon Island Chuckwalla) 93 



interbrachialis (Espiritu Santo Island Chuckwalla) 95 



slevini (Slevin's Chuckwalla) 97 



hispidus (Spiny Chuckwalla) 99 



varius (San Esteban Island Chuckwalla) 101 



6. Crotaphytus 104 



collaris 



bailey i (Western Collared Lizard )__ 104 



insularis (Angel Island Collared Lizard) 114 



wislizenii (Leopard Lizard) 116 



silus (Short-nosed Leopard Lizard) 128 



7. Uma 131 



notata (Ocellated Sand Lizard) . 132 



8. Callisaurus 138 



crinitus (Cope's Gridiron-tailed Lizard) 140 



