Mr. R. F. Tomes on species of Bats inhabiting New Zealand. 393 



interfemoral membrane near to its base, and projecting on the upper 

 surface of it, as in J'aphozous. Interbrachial membrane, a narrow 

 piece of membrane beneath the fore-arm, that adjoining the sides of 

 the body, and that enclosing the tibia, as well as the basal portion of 

 the interfemoral membrane, thick and leathery, with numerous deep 

 wrinkles or corrugations on its upper surface. Incisors, 2 in the 

 upper jaw, large, contiguous, and shaped like canines ; in the lower 

 jaw 2, small, and placed in front of the canines. 



1. Mystacina tuberculata. Gray, 



Mystacina tuberculata. Gray, Cat. Mam. Brit. Mus. p. 34, 1843 ; 

 Gray in Dieffenb. Journ. App. p. 296, 1843; Gray, Zool. Voy. Sul- 

 phur, No. II. p. 23, 1843 ; Zool. Voy. Erebus and Terror, No. IV. 

 pi. 22. 1844. 



The snout of this singular-looking species is considerably elongated, 

 with the end of the nose emarginate between the nostrils, which are 

 very prominent, and directed sublaterally. The mouth is placed far 

 back in relation to the nose, and a space intervenes between the two, 

 which is clothed with very fine short hairs. The hairiness and form 

 of this space are somewhat similar to the same part in the Coati 

 Mondi. No very strongly-marked peculiarity is observable in the 

 mouth itself, but it is rather small, and has only the extreme edges 

 of the lips destitute of hair. 



The top of the head is convex, rounding off on every side, and the 

 space between it and the end of the nose, i. e. the face, is concave in 

 its longitudinal direction, but not transversely, as in Taphozous. 



The ears are lateral, and remarkably simple in form. Instead of 

 the forward extension on the side of the face, so usual in the insecti- 

 vorous species of this order, they are attached precisely as in the 

 fruit-eating species, i. e. just as we may observe them in a dog or cat. 

 In form they are regularly oval, and slightly pointed. The tragus 

 is straight, narrow, and pointed, reaching to the middle of the ear. 



The wings are rather broad, and of medium length. The thumb 

 is of moderate size, with the basal joint very short ; the index finger 

 is composed of two phalanges, the terminal one being very minute. 

 The second finger has four phalanges, and the third and fourth fin- 

 gers have three each. The presence of four phalanges in the second 

 finger, instead of the usual number of three, in this family, will be 

 again adverted to. The wing-membranes barely extend to the distal 

 extremity of the tibia. 



The legs and feet are very short and stout, as in the genus Mo- 

 lossus. The heel-cartilage is of medium length and substance, and 

 the interfemoral membrane is rounded at its posterior margin, and is 

 perforated near its base by the tail, which is short, and exhibits its 

 terminal half free above the membrane, as in the genus Taphozous. 



The portions of membrane contiguous to the fore-arm, the sides 

 of the body and the tibia, are very thick and leathery, with numerous 

 deep wrinkles, and the basal half of the interfemoral membrane (as 

 far as to where the tail becomes free) possesses the same pecidiarity. 

 The wrinkles, in many places, cross the legs and fore-arms, but they 



