. [Collected reprints, 1912-1919. Mammals; Mammals; Birds. Front view, showing upper incisors and ca- nines much enlarged. SECTION 2. Upper surface of interfemoral membrane entirely bare, or furred slightly at extreme base. Ears less than .75 inch long; fur of back, when rubbed, showing decidedly darker at base; teeth in upper jaws 14; whole number of teeth 32. Genus EPTESICUS, p. 467. Ears less than .75 inch long; fur of back, when rubbed, not showing decidedly darker at base; teeth in upper jaw 18; whole number of teeth 38. Genus MYOTIS, p. 455. Ears more than .75 inch long; teeth in upper j
. [Collected reprints, 1912-1919. Mammals; Mammals; Birds. Front view, showing upper incisors and ca- nines much enlarged. SECTION 2. Upper surface of interfemoral membrane entirely bare, or furred slightly at extreme base. Ears less than .75 inch long; fur of back, when rubbed, showing decidedly darker at base; teeth in upper jaws 14; whole number of teeth 32. Genus EPTESICUS, p. 467. Ears less than .75 inch long; fur of back, when rubbed, not showing decidedly darker at base; teeth in upper jaw 18; whole number of teeth 38. Genus MYOTIS, p. 455. Ears more than .75 inch long; teeth in upper jaw 16; whole number of teeth 36. Genus CORYNORHINUS, p. KEY TO SPECIES KNOWN TO OCCUR WITHIN OUR LIMITS. GROUP 1. Upper surface of interfemoral membrane (membrane connecting tail with legs) completely covered with fur. Color of body hoary (brown mixed with grayish white); length about 5 inches; upper front teeth (incisors) between canines 2. Hoary Bat. Nycteris cinereus, p. 472. Color of body on upper parts reddish brown or yellowish red brown; length about 4 to inches; upper front teeth (incisors) between canines 2. Red Bat. Nycteris borealis, p. 470. GROUP 2. Upper surface of interfemoral membrane (membrane connecting tail with legs) not completely covered with fur. SECTION 1. Upper surface of interfemoral membrane furred from ^ to K its length, the rest bare. Color of body sooty brown or blackish, frosted with grayish white; length about 4 inches; whole number of teeth 36. Silvery Bat. Lasionycteris noctivagans, p. 462. Color yellowish brown; length about inches; whole number of teeth 34. Georgian Bat. Pipistrellus subflavus, p. 465. Interfemoral 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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