634 NYCTIELLUS. 
134. Nyctiellus. 
Nyctiellus Gerv. Expéd. du Comte de Castelnau, Amér. Sud. Mamm., 
1855, p. 84, Plate xv, fig.6. Type Vespertilio lepidus Gervais. 
First premolar minute; crown elevated, highest at posterior 
margin; rostrum broad and lengthened; thumb prominent; wing 
membrane from near ankle, and with the interfemoral membrane, is 
covered with dotted lines similar to those of Natalis. Legs only as 
long as body; tail long, wholly inclosed in interfemoral membrane; 
inner pair of upper incisors diverge from outer pair, their tips pointing 
inward and nearly touching. 
Fic. 127. NYCTIELLUS LEPIDUS. 
No. 103898 U. S. Nat. Mus. Coll. 
Enlarged 2% times. Face view enlarged 7 times. 
597. lepidus (Vespertilio), Gerv., in Ramon de la Sagra, Hist. de 
l’isle de Cuba, Mamm., 1838, p. 22, pl. 1, figs. 1-4. 
barbatus Gundl., Wiegm., Archiv. f. Naturg., 1840, p. 356. 
macrurum Gerv., Compt. Rend. Acad. Scien., Paris, 1856, p. 547. 
GRACEFUL Bat. 
Type locality. Cuba. 
Geogr. Distr. Island of Cuba; Isle of Pines. 
Genl. Char. Size very small; inner side of conch convex forward, 
tip rounded slightly, the margin convex on lower half, concave for 
remainder; tragus triangular with a small lobe at base and ending 
above in a lengthened narrow spur on inner margin; ears moderate, 
their lower halves hidden in fur. 
Color. Above mummy brown, base of fur pale cinnamon; be- 
