704 VAMPYROPS., STERNODERMA. 
664. vittatus (Artibeus), Peters, Monatsb. K. Preuss. Ak. Wiss. 
Berl?, 1850; p= 225: 
PETERS’ WHITE-STRIPED BAT. 
Type locality. Puerto Cabello, Venezuela. 
Geogr. Distr. Costa Rica, Central America, to northern South 
America. 
Genl. Char. Size large. Muzzle long, narrow; horseshoe free all 
around; tragus similar to that of V. lineatus; fur extending outward 
on wing membrane between elbow and middle of femur. 
Color. General hue above and below dark brown; white line 
from crown along back; short naked white patch on each side of 
face. 
Measurements. Length of head and body, 86.3; forearm, 59.6; 
thumb, 12.7; third finger, metacarpal, 54.6; fourth finger, metacarpal, 
54.6; fifth finger, metacarpal, 55.8; tibia, 21.5; foot, 15.2; ear, 22.8; 
tragus, 8.9. Skull: palatal length, 16.6; interorbital constriction, 
7.6; zygomatic breadth, 19; breadth of palate between middle molars, 
8.4; length of mandible, 22.4; length of upper tooth row, 12.6; length 
of lower tooth row, 13.4. 
164. Sternoderma. 
2—2., I—1, 2—2. yy 2-2 3-3 __ 
LS Cs Pe MS os = se er ae 
Sternoderma E. Geoff., Descr. de l’Egypte, Mamm., 11, 1818, p. 114. 
Type Sternoderma rujum E. Geoffroy. 
Artibeus Gerv., Expéd. Casteln. Amér. Sud. Mamm., Zodl., 1855, 
pied “(nec Leach) 
Ariteus Gray, Ann. Hist. Nat., or Mag. Zool. Bot. Geol., 11, 1838, 
p. 401- Id: “Proc: Zool'Soc., 166} pra 
Histiops Peters, Monatsb. K. Preuss. Akad. Wiss. Berl., 1869, p. 
399. 
Peltorhinus Peters, Monatsb. K. Preuss. Akad. Wiss. Berl., 1876. 
Pp. 433- 
Muzzle short, broad; ear and nose-leaf as in Artibeus, as are also 
most of the external characters, but the skull differs in having the 
horizontal plate of the palatal bones partially or wholly absent; palate 
is wide, short, and deeply emarginate posteriorly; molars broad, crowns 
concave. 
KEY TO THE SPECIES. 
A. Central upper incisors bicuspidate; molars — PAGE 
a. Above and beneath slaty gray......... _.S. montserratense 705 
b. Above and beneath dull brown............... S. nichollsi 706 
