. [Collected reprints, 1912-1919. Mammals; Mammals; Birds. 420 Field Museum of Natural History -^ Zoology, Vol. XL. Area of Intergradatha Map illustrating approximate distribution of the Shrews belonging to the genus Microsorex in eastern United States and Canada. Microsorex hoyi (Baird). Type locality — Racine, Wisconsin. Description as previously given. Microsorex alnorum (Preble). (N. Amer. Fauna, No. 22, 1902, p. 72.) Type locality — Robinson Portage, Keewatin, Canada. Grayer than hoyi above, without brownish on under parts; feet larger and also cranial differences; ap- proaches very close
. [Collected reprints, 1912-1919. Mammals; Mammals; Birds. 420 Field Museum of Natural History -^ Zoology, Vol. XL. Area of Intergradatha Map illustrating approximate distribution of the Shrews belonging to the genus Microsorex in eastern United States and Canada. Microsorex hoyi (Baird). Type locality — Racine, Wisconsin. Description as previously given. Microsorex alnorum (Preble). (N. Amer. Fauna, No. 22, 1902, p. 72.) Type locality — Robinson Portage, Keewatin, Canada. Grayer than hoyi above, without brownish on under parts; feet larger and also cranial differences; ap- proaches very closely Microsorex eximius (Osgood). Microsorex winnemana Preble. (Proc. Biol. Soc. Wash., XXIII, 1910, p. loi.) Type locality — Fairfax County (batik of Potomac River near Stubblefield Falls), Virginia. "Similar to Microsorex hoyi, but considerably smaller; brain- case proportionally higher and more rounded" (Preble). Total length of type about in. (78 mm.); tail vertebras, about in. (30 mm.). Genus NEOSOREX Baird. Neosorex Baird, Mammals N. Amer., 1857, p. 11. Type Neosorex navigator Baird. Fourth upper incisor well developed; no second- ary cusps on inner side of canines or incisors; brain- case broad; feet with fringe of bristly hairs. Hind foot of Neosorex palustris. Dental formula: I. -—-1 C. — 2-20- -, Pm. - o I M. ^-^=32. 3-3 ^. 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 Cory, Charles B. (Charles Barney), 1857-1921. s. l. , s. n.
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