RHYNCHONYCTERIS., 609 
Tail shorter than the interfemoral membrane, but penetrating 
the membrane and appearing on the upper surface; muzzle very nar- 
row, the extremity produced beyond lower lip; ears not attached; 
ear conch narrow, attenuate; antitragus rounded, distinct; nostrils 
oval, horizontal; wings from ankles; antebrachial membrane without 
sac; calcaneum longer than tibia. 
570. naso (Rhynchonycteris), Wied, Schinz’s Thierr., 1, 1821, p. 179. 
saxaitlis Spix. Simiar. et Vespert. Bras., 1823, p. 62, pl. xxxv, 
fig. VIII. 
rivais Spix. Simiar. et Vespert. Bras., 1823, p..62, pl. Xxxv. 
lineata Temm., Mon. Mamm., 11, 1835-41, p. 297. 
L | 
Fig. XCIV. RHYNCHONYCTERIS NASO. 
No. 5695 Acad. Nat. Sci. Coll. Nat. size. 
LONG-NOSED Bat. 
Type locality. East coast of Brazil. 
Geogr. Distr. Guatemala through Central America to Brazil, 
South America. 
Genl. Char. Those of the genus. Incisors small, weak; upper 
canines with an internal basal cusp; first upper premolar small with 
anterior basal cusp close to canine; diastema between canine and 
second premolar; lower second premolar narrow, long. 
Color. Above brown, ends of hairs grayish, under parts grayish 
white. 
Measurements. Total length, 53.3; tail, 41.9; forearm, 36.5; 
thumb, 6.3; third finger, metacarpal, 34.2; fourth finger, metacar- 
pal, 27.9; fifth finger, 25.4; tibia, 12.7; foot, 6.3. Skull: total length, 
II; occipito-nasal length, 10; Hensel, 8.5; zygomatic width, 6.5; in- 
terorbital constriction, 2.5; palatal length, 4; length of upper molar 
series, 2.5; length of mandible, 6.5; length of lower molar series, 4. 
