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Proceedings of the California Academy of Sciences, Volume III, 1863-1867

Note 35 — Regular Meeting, March 18th, 1867.

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A specimen figured by Mr. Tryon in the last number of the “Journal” just received, (May, 1867), as “var. minor,” from Idaho and Nebraska, seems to have an obscure band, which, together with its form and want of wrinkles, indicate entire distinctness from Townsendiana. The small form of the latter found by me in Montana has no band, and seems close to Binney’s anachoreta, of which supposed specimens from “Oregon” are in Mr. Rowell’s collection. The Eastern Mesodon clausa, elevata and perhaps others, have been found banded occasionally, but without the paler margins, and only as an exception.

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