Bolsa (pocket), a term much in use with the Spaniards to signify a shut-in place. Bolsa is in Orange County, twelve miles north by west of Tres Pinos, and was probably named from the land grant, Rancho de las Bolsas.
Cabezón (big head), is the name of a place southeast of Colton. It was probably named for a large-headed Indian chief who lived there at one time and who received this name in pursuance of an Indian custom of fitting names to physical peculiarities. This name is improperly spelled on some maps as Cabazon.
Cahuilla, the name of an Indian tribe, probably “Spanishized” in its spelling from Ka-we-a. The valley and village of this name are situated in the San Jacinto Forest Reserve, southeast of Riverside, and received their name from a tribe who lived, in 1776, on the northern slopes of the San Jacinto Mountains. The word Cahuilla is of uncertain derivation.
Calabazas (pumpkins), is northwest of Los Ángeles. This is possibly a corruption of an Indian word, Calahuasa, the name of a former Chumash village near the mission of Santa Inez. There is another possibility that this name may have been given to the place by the Spaniards in reference to the wild gourd which grows abundantly there and whose fruit may have been considered by them to bear some resemblance to pumpkins, but this is of course mere conjecture.
Casa Blanca (white house), is a short distance west of Riverside, on the Santa Fé Railroad, so-called from a large white ranch house once in conspicuous view from the railroad station.
Casco (skull), shell or outside part of anything. El Casco is situated about twelve miles east of Riverside. Its application here has not been ascertained.
Conejo (rabbit), is the name of a number of places in the state, one of them in the Santa Mónica Mountains, another in the Central Valley, on the Santa Fé road.
Cucamonga, is an Indian name, derived from a village in San Bernardino County, forty-two miles by rail east of Los Ángeles. It was originally applied to the land grant at that place.
Duarte, a surname.
Las Flores (the flowers). At this place there was once a large Indian village, called in the native language ushmai, the place of roses, from ushla, rose.