Rhinolophus. MAMMALIA. CHEIROPTERA. 



I. CHEIROPTERA. BATS. 



JL HE animals of this group feed on insects, chiefly moths^ 

 which they hunt in the evening. They sleep during the day. 

 Migrate or become torpid during the winter. Bring forth two 

 at a birth. In the British species, there is only one bony joint 

 in the fore finger, without nails, and two in the rest. The tail 

 is included in the interfemoral membrane ; and the summits of 

 the grinders have conical points. All the species of the follow- 

 ing groups belong to the genus Vespertilio of Linnaeus. 



A. Nostrils with appendages. Ears simple. 



Gen. I. RHINOLOPHUS. Horse-shoe Bat.— Nostrils with 

 a complicated membrane like a horse shoe. — This mem- 

 brane is divided into two processes, the posterior of which 

 is erect. Ears free, acute and reflected. Two incisors 

 above, in a cartilaginous intermaxillary bone, and four be- 

 low, approximate, trifid. Tusks 8, grinders 20. Two 

 pectoral and two inguinal teats were observed by Mon- 

 tagu. 



1. R. Ferrum-equinum. Larger Horse-shoe Bat. — Front 



grinder in the upper jaw small, simple, and truncated. 



Horse-shoe Bat, Penn. Brit. Zool. i. p. 147. tab. xiv. — Mont. Linn. Trans. 

 ix. p. 165. tab. xviii. f. 5, 6. — Frequenting saltpetre houses at Dart- 

 ford in Kent, Latham ; caverns, Torquay, Devonshire, Montagu. 



The colour is pale rufous-brown ; weight about 4 drams ; length to the root 

 of the tail 2 4 inches; tail 3| inches; expansion of the wings 14| inches. The 

 tusks are simple. 



2. R. Hipposideros. Lesser Horse-shoe Bat. — Front grinder 

 in the upper jaw acute, and notched at the base before and be- 

 hind. 



Vesp. minutus, Mont. Linn. Trans, ix. p. 163. tab. xviii. f. 7, 8 — Rh. 

 hip. Leach, Zool. Misc. iii. p. 2. tab. 121 In caverns with the pre- 

 ceding, Wiltshire and Devonshire, Montagu. 



Colour, the same as the preceding ; weight from 63 to 80 grains ; length to 

 the root of the tail 2 inches ; tail § inch ; extent of the wings 94 inches. 

 Tusks in the upper jaw notched in front, in the lower simple. Incisors in 



