. Bulletin - United States National Museum. Science. 210 BULLETIN 144, UNITED STATES NATIONAL MUSEUM Pieonyx vivesi Miller, Proc. Biol. Soc. Washington, vol. 19, p. 85, June 4, 1906; List North Amer. Land Mamra. 1911, Bull. U. S. Nat. Mus., No. 79, p. 59, December 31, 1912; List North Amer. Recent Mamm. 1923, Bull. U. S. Nat. Mus., No. 128, p. 73, April 29, 1924.—McLkllan, Journ. Mamm., vol. 8, p. 243, August 9, 1927. Type locality.—Cardonal Island, Sal si Puedes Archipelago, off San Rafael Bay, Lower California, Mexico. Cotypes.—Two females in alcohol. Both originally in Paris Mu- seum; one n
. Bulletin - United States National Museum. Science. 210 BULLETIN 144, UNITED STATES NATIONAL MUSEUM Pieonyx vivesi Miller, Proc. Biol. Soc. Washington, vol. 19, p. 85, June 4, 1906; List North Amer. Land Mamra. 1911, Bull. U. S. Nat. Mus., No. 79, p. 59, December 31, 1912; List North Amer. Recent Mamm. 1923, Bull. U. S. Nat. Mus., No. 128, p. 73, April 29, 1924.—McLkllan, Journ. Mamm., vol. 8, p. 243, August 9, 1927. Type locality.—Cardonal Island, Sal si Puedes Archipelago, off San Rafael Bay, Lower California, Mexico. Cotypes.—Two females in alcohol. Both originally in Paris Mu- seum; one now in British Museum. Distribution.—Islands and coasts of the Gulf of California, Mexico. Diagnosis.—Size and general appearance, apart from the enor-. Map 13.—Distribution of Pizonyx yivesi mously enlarged feet, essentially as in Myotis nvyotis of the palearctic region. Much larger than any known American Myotis^ the forearm about 60 mm. in length. Ear.—The ear is rather large; laid forward it extends about 5 mm. beyond the nostril. In general form it resembles the broad ear of Myotis thysanodes rather than the more narrow type seen in M. veli- fer. About eight faintly defined cross-ridges are usually visible. As compared Avith the ear of M. thysanodes the antitragus is rela- tively larger and the antero-basal lobe is relatively smaller. Tragus more bluntly pointed and relatively shorter than in M. thysanodes, its posterior margin finely but distinctly Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original United States National Museum; Smithsonian Institution; United States. Dept. of the Interior. Washington : Smithsonian Institution Press, [etc. ]; for sale by the Supt. of Docs. , U. S. Govt Print. Off.
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