CENTURIO. 51 
1. C. senex. Three ridges on throat, the lowest moderately developed, covered 
with hair. Forearm 2"01. Fur brown; shoulder-tuft white, wing-membranes 
partially transparent and colourless. | 
2. C. macmurtrii. Five ridges on throat, the uppermost small, the lowest greatly 
developed, hairy without, naked within. Fur and membranes as in the last. 
1. Centurio senex. 
Centurio senex, Gray, Ann. & Mag. Nat. Hist. x. p. 259 (1842, deser. orig.)'; Zool. Voy. ‘ Sulphur,’ 
p- 27, pl. vii.*; Peters, Monatsb. Ak. Berl. 1865, p. 524°; Dobson, Cat. Chir. Brit. Mus. 
p. 543, pl. xxx. fig. 6%. 
Centurio flavogularis, Lichtenstein & Peters, Monatsb. Ak. Berl. 1854, p. 335 (descr. orig.)° ; Abh. 
Ak. Berl. 1854, p. 87, pl. i.° 
Centurio mexicanus, De Saussure, Rev. et Mag. de Zool. 1860, p. 381 (descr. orig.)’. 
Hab. Mexico (De Saussure’; Hille, Mus. Berol.’), Mirador (Sartorius, U.S. Nat. Mus.) ; 
Central America (Belcher, Mus. Brit.4). 
The late Dr. Gray described the “ Wrinkled-faced Epaulet-Bat” from a specimen 
obtained during the voyage of H.M.S. ‘Sulphur,’ and supposed to be from Amboyna!; 
but subsequently he was led to believe that there was some mistake as to the locality?. 
There is now no doubt that the specimen must have been obtained in Central America ; 
and Professor Peters? has identified it with the species formerly separated by Lichten- 
stein and himself as C. flavogularis® and with the C. mexicanus of M. De Saussure’. 
The type of C. flavogularis was originally stated to be from Cuba; but Dr. Peters 
informs me that this proves to be an error. 
2. Centurio macmurtrii. (Tab. III. fig. 8.) 
Centurio (Trichocoryes) m‘murtrii, H. Allen, Proc. Acad. Philad. 1861, p. 360 (descr. orig.)}. 
Hab. Muxtco, Mirador (Sartorius, U.S. Nat. Mus.1); Guatemara (Mus. Beroi.). 
The type of this species was sent to the Smithsonian Institution along with an 
example of C. senex. According to Dr. Allen’s description, C. macmurtrii is even a 
more remarkable animal than that species, from which it differs principally in the 
development of the lowermost of the throat-ridges. “Instead of being but a slight 
elevation of furred skin, it forms a large hairy mask, which, when elevated, hides the 
face. It is naked within, furred without. The lower and middle parts are sparsely 
covered with soft hair, while the upper portion possesses two thick clumps of fine fur, 
one on each side of the central line. This development of the skin gives the animal a 
very grotesque appearance. The entire arrangement might with propriety be compared 
to an ancient vizor surmounted with rosettes.” 
Mr. Dobson has included the name of C. macmurtrii with a mark of interrogation in 
his synonymy of C. senex, and has suggested that it is probably the adult male of that 
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