Type.—Adult male, skin and skull; No. 56561, U. S. Biol. Surv. Coll.; obtained on October 3, 1893, by J. E. McLellan from Thurmans Camp, Bluff Lake, 7500 ft., San Bernardino Mts., California.
Range.—Confined, so far as known, to the San Bernardino and San Gabriel mountains, San Bernardino Co., California.
Diagnosis.—Size medium for the species; measurements of two specimens from the San Bernardino Mountains are: total length, 105, 106; tail, 41, 48; hind foot, 12, 14. Upper parts in summer Olive-Brown to Buffy-Brown; cranium flattened and relatively narrow; unicuspids and incisors relatively small.
Comparisons.—For comparison with S. v. obscuroides, the only adjacent subspecies, see the account of that subspecies.
Remarks.—S. v. parvidens is seemingly an uncommon mammal. I have been informed by Terry Vaughan that repeated attempts by him to obtain it in suitable habitat in the San Gabriel Mountains failed. This shrew is probably no longer in reproductive continuity with Sorex vagrans of the Sierra Nevada.
Specimens examined.—Total number, 4. California: San Bernardino Co.: type locality, 4 BS.
Marginal records.—California: Camp Baldy, San Antonio Canyon (Jackson, 1928:124); type locality.
Sorex vagrans halicoetes Grinnell
Sorex halicoetes Grinnell, Univ. California Publ. Zool., 10:183, March 20, 1913.
Sorex vagrans halicoetes, Jackson, N. Amer. Fauna, 51:108, July 24, 1928.