60 CALIFORNIA ACADEMY OF SCIENCES [Proc. 4th Se». 



TRANSITION ZONE— Continued 



Thamnophis ordinoides atratus (Kennicott) U 

 Thamnophis ordinoides elegans (Baird & Girard) C 

 Contia mitis Baird & Girard U 

 Lampropeltis pyromelana multicincta (Yarrow) 



Birds 



Oreortyx picta plumifera (Gould) C 

 Bonasa umbellus sabini (Douglas) C 

 Columba fasciata fasciata Say 

 Accipiter velox (Wilson) C 

 Strix occidentalis caurina (Merriam) 

 Glaucidium gnoma californicum Sclater 

 Glaucidium gnoma grinnelli Ridgway U 

 Xenopicus albolarvatus albolarvatus (Cassin) C 

 Xenopicus albolarvatus gravirostris Grinnell C 

 Sphyrapicus varius daggetti Grinnell 

 Chsetura vauxi (Townsend) 

 Selasphorus alleni Henshaw U 

 Nuttallornis borealis (Swainson) C 

 Cyanocitta stelleri frontalis (Ridgway) C 

 Cyanocitta stelleri carbonacea Grinnell 

 Carpodacus purpureus californicus Baird 

 Zonotrichia nuttalli Ridgway 

 Junco oreganus pinosus Loomis 

 Piranga ludoviciana (Wilson) C 

 Tachycineta thalassina lepida Mearns 

 Lanivireo solitarius cassini (Xantus) 

 Vermivora ruficapilla gutturalis (Ridgway) 

 Dendroica occidentalis (Townsend) 

 Oporomis tolmiei (Townsend) 

 Nannus hiemalis pacificus (Baird) 

 Certhia familiaris occidentalis Ridgway 

 Sitta pyg^sea pygmsea Vigors 

 Sitta pygmaea leuconucha Anthony 

 Penthestes rufescens rufescens (Townsend) 

 Penthestes rufescens neglectus (Ridgway) 

 Penthestes rufescens barlowi (Grinnell) 

 Hylocichla guttata slevini Grinnell 



