California mammals . d the MojaveDesert and west of the Colorado Desert may be called the SanJacinto Fauna. The Lower Austral Zone includes most of the MojaveDesert, the San Joaquin and Sacramento valleys, and a stripalong the coast from Santa Barbara to San Diego and much of this area cactuses form a characteristic part of the-vegetation. But fewi trees occur, and these are found mostlyalong streams and in damp land. Much of this zone is veryarid. Shrews are nearly wanting in this zone. Several speciesoi bats find their northern limit in it, as do several species ofground squir

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California mammals . d the MojaveDesert and west of the Colorado Desert may be called the SanJacinto Fauna. The Lower Austral Zone includes most of the MojaveDesert, the San Joaquin and Sacramento valleys, and a stripalong the coast from Santa Barbara to San Diego and much of this area cactuses form a characteristic part of the-vegetation. But fewi trees occur, and these are found mostlyalong streams and in damp land. Much of this zone is veryarid. Shrews are nearly wanting in this zone. Several speciesoi bats find their northern limit in it, as do several species ofground squirrels. No species of tree squirrels or chipmunks(genera Sciiirus and Butamias) occur. Several species ofPocket Rats and Pocket Mice and the Big-eared Fox are peculiarto this zone, the Gambel Partridge, Scott Oriole, LeconteThrasher, Crissal Thrasher, Yellow-headed Tit and PlumbeousGnatcatcher. The large valley known as the Sacramento- Vallev (north- wo N Oo <L) o wCcd CO < 1—^ O • 1-1 < o ft D o ?4 1 §.

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Keywords: ., bookcentury1900, bookdecade1900, booksubjectmammals, bookyear1906