124 



EHINOLOPHID.'E. 



is deeply emarginate in front, with the sides of the emargination 

 turned upwards and supporting the base of a longitudinal horizontal 

 crest, extending backwards between and above the nasal apertures ; 

 hinder erect portion of the nose-leaf with one cell in the centre of 

 its base, the entrance to which is guarded by a lanceolate process, 

 with cells on the sides of its front surface, and one on each side 

 behind immediately above the eye. Ears without a distinct anti- 

 tragus, as in Phyllorhina, the outer margin of the ear-conch arising 

 from the posterior commissure of the eyelids. 



Dentition. Inc. ^, c. ^—^, pm. g^, m. ^—^. 



First upper premolar minute. 



1. Triaenops persicus. 



Trisenops persicus, Dobson, Jowrn. Asiat. Soc. Beng. xl. p. 455, pi. 

 xxviii. ; id. " On the Osteology of," I. c. xli. 1872, pp. 136-142, 

 pi. vi. figs. 1-14 ; id. Monograph Asiat. Chiropt. p. 56, fig. a (head), 

 fig. 6 (wing). 



Head long ; muzzle broad, obtuse, flattened laterally ; ears nearly 

 as broad as long, funnel-shaped, with acutely pointed tips ; the outer 

 margin commences in a narrow fold of skin arising from the pos- 

 terior angle of the eyelids, which, passing backwards and slightly 

 downwards for about 0-1 inch, rises abruptly to a height of 0-2 inch, 

 forming the outer side of the external ear ; the inner margin is 

 convex forwards, and rises to about the same height ; at a short 

 distance behind it is interrupted by a sudden emargination, which is 

 succeeded by a triangular elevation of the rim of the ear, forming 

 the tip, which projects outwards owing to the concavity of the outer 

 side of this triangle. 



The nasal appendages are very complicated, and difficult to de- 

 scribe. Their form will be better understood by an examination of 

 Plate YIII. fig. 1, in which the very peculiar shape of the ear is also 

 well shown. 



The terminal phalanx of the fourth finger presents a remarkable 

 form, which has not been noticed in any other species of Bat. From 

 the outer side of the proximal extremity of that bone a small pro- 

 cess arises, with an inclination forwards and outwards, and termi- 

 nates by an obtuse point in the wing-membrane, in which it is 

 included (see fig. 6 in Monogr. Asiat. Chiropt., referred to above). 

 The distal extremity of the same phalanx is very shortly bifid, as in 

 most Ehinolophine Bats ; but the terminal phalanx of the fifth 

 finger ends in a single point. 



Wing-membrane attached to the tibia a short distance above the 



number of phalanges in the toes, differing in this respect from all other species 

 of Ohiroptera except the very remarkable Tkyroptera tricolor, a Bat possessing 

 peculiar accessory clinging organs — suctorial disks attached to the thumbs and 

 feet. 



