822 13. COLUBRID 
Sonoran zones. I have examined specimens from Oregon, 
taken near Siskiyou, Jackson County, and from California, 
from Shasta (Anderson), Del Norte (Gasquet, Requa), 
Humboldt (Trinidad, Eureka, Ferndale, Alton, Carlotta, 
Cuddeback, White Thorn, Garberville), Mendocino (Bald 
Hill, Irishes, Cahto, Covelo, Ten Mile River, Laytonville, 
Sherwood, Mendocino, Big River, Comptche, Albion River, 
Roberts Creek near Ukiah, Garcia River, Point Arena, 
Pieta, Gualala), Lake (Middleton), Yolo (Rumsey), 
Sonoma (Wheatfield Fork Gualala River, Skaggs Springs, 
Cazadero, Duncan Mills, Austin Creek, Kidd Creek, Guerne- 
ville, Freestone), Napa (Berryessa Creek, St. Helena), 
Solano (Vacaville), Marin (Inverness, Point Reyes, Tocal- 
oma, Olema, Mill Valley, San Rafael, Sausalito), Contra 
Costa (Mt. Diablo, Walnut Creek), Alameda (Berkeley, 
Oakland, San Leandro, Calaveras Valley), San Francisco 
(Golden Gate Park, Union Square, Presidio), San Mateo 
(San Bruno, Portola, Woodside, Searsville, Corte Madera 
Creek, Butano Basin, La Honda, Pescadero), Santa Clara 
(Stanford University, Palo Alto, Corte Madera Canyon, 
Stevens Creek, Los Gatos, Santa Clara, San Jose, Smith 
Creek, Mt. Hamilton, Uvas Creek, Coyote Creek, Gilroy 
Hot Springs), Santa Cruz (Waddell Creek, Swanton, Fel- 
ton, Glenwood, Soquel), Monterey (Salinas River near 
Blanco, Seaside, Pacific Grove, Carmel, San Macento, 
Garapatos Creek, Mill Creek, Little Sur River, Partington 
Canyon), San Luis Obispo (Morro, Oceano), and Santa 
Barbara (Santa Ynez River) counties. 
Remarks.—This subspecies formerly was confused with 
T. ordinoides elegans by me and with T. ordinoides ordi- 
noides by Brown and Ruthven. It differs from 7. ordi- 
noides elegans in the smaller average number of its scale- 
rows and ventral plates, as well as in coloration. The dorsal 
