85 
1806. Vespertilio carolinensis, Geoffroy St. Hilaire, Ann. du Mus., 1806, viii, 
193, pl. xlvii, f. 7.—Harl., Fn. Am., 1825, 9.—Godman, Am. 
Nat. Hist., 1, 1831, 67.—LeConte, McMurt. Cuy., 1, 1831, 431.— 
Cooper, Ann. yc. N. Y., iv, 1837, 60.—DeKay, N.Y. Fn., 1, 1842, 
pl. 2, f. 1.—Desm., Mam., i, 1820, 1386.—Temm., Man., 11, 1835, 
237.—LeConte, Proc. Acad. Nat. Sci. Phila., 1855, 434.—Wag- 
ner, Suppl. Schreber, v, 1855, 753.—Woodhouse, Sitgr. Rep. 
Zufii and Col. Rivers, 1854, p. 438. 7 
1818. Vespertelio phaiops, Rafinesque, Am. Month. Mag., 1818, 445.—Le 
Conte, Proc. Acad. Nat. Sci. Phila., 1855, 434.—Waener, Suppl. 
| Schreber, 1855, 756. 
1823. Vespertilto arcuatus, Say, Long’s Exped , 1823, 167. 
1835. Vespertilio uwrsinus, Temm.. Mon. Mamm., 11, 18385, 235.—LeConte, 
Proc. Acad. Nat. Sei. Phila., 1855, 434. 
1875. Vespertilio (Vesperus) fuscus, Coues and Yarrow, Geog. and Geolog. 
Expl. and Surv. West 100th Merid., v, 1875, 92. 
Scotophilus carolinensis, Allen, Monog., 28. 
Specific Characters—Length 8 to 4; tail 1.838 to 1.50;‘extent 10 to 12; 
longest finger 2.66 to 3; arm 1.50 to 2; ear about 50 in height; molars 
+4—front upper one narrowest, the front lower ones smaller than the 
other three; incisors $-3—lateral upper pair smaller than central pair; 
base of foot with a rounded swelling; tip of tail exserted; wing-mem- 
brane reaching base of toes; no extension of fur on the wing membrane; 
lee membrane furred at basal fifth on upper side, elsewhere more or less 
perfectiy naked ; ears moderate, furred one-half to one-third up the back, 
turned more or less outward, with convex inner and straight or slightly 
emareinated outer border, and well developed basal lobe; tragus nearly 
half as high as auricle, its tip never pointed, outer border notched near the 
base; nostrils emarginate; head flat; hairs dark-plumbeous, or dark- 
cinereous on the basal part, a variable shade of brown at the ends, and 
usually lighter on the under surface of the body than on the upper. 
Distribution —Reported from widely separated localities in the United 
States; from Cincinnati by Mr. F. W. Langdon. 
GENUS ATALAPHA Kafinesque. 
Atalapha, Nycticejus, Lasiurus, Rafinesque. 
Nycticejus et Lasiurus, Allen, Monog., 11.14. 
Generic Characters—Adult dentition: 1. $2}; ¢. 5-3; m. £4 (subg. Nycti- 
cejus), or 2% (subg. Lasturus)—30 or 32 teeth. The variable tooth is the 
anterior premolar, absent in Nycticejus, present in Laszwrus, but minute 
and liable to be overlooked, as it is hidden by the approximation of the 
next premolar to the canine. 
