162 



MTCTEKIDJi;. 



closely than Megaderma, and even agrees with the species of the 

 genus Rhinolophus in the small size of the second lower premolar, 

 and in the general form of the molar teeth. The position and size 

 of the second lower premolar has been used to distinguish the species ; 

 but, as I have shown in the genus Rhinolophus (p. 114), this character 

 cannot be relied upon except when taken in connection with other 

 peculiarities of structure. The form of the tragus, the size of the 

 ears, and the dental characters must be considered together in 

 distinguishing the species of this genus, which, unlike those of 

 Megaderma and Rhinolophus, show no appreciable differences in the 

 form of the cutaneous nasal appendages. 



Synopsis of the Species. 



A. The tragus reaches its greatest width opposite 



the base of its inner margin. 

 «. Inner margin of the tragus concave. 



a'. Upper incisors trifid ; ears scarcely longer 

 than the head. 

 a". Second lower premolar minute, in the 



tooth-row; forearm IJ inch 1. 



b"- Second lower premolar one third the 

 size of the first ; forearm 2j inches . . 2. 

 b'. Upper incisors bifid ; ears considerably 

 longer than the head. 

 c". Second lower premolar two thirds the 



size of the first, in the tooth-row .... 3. 

 d". Second lower premolar minute, half 

 internal to the tooth-row 4. 



B. Tragus expanded above, reaching its greatest 



width opposite the middle of its inner mar- 

 gin ; ears much longer than the head. 



b. Inner margin of the tragus straight. 

 c'. Upper incisors bifid. 



e". Second lower premolar minute, half in- 

 ternal to the tooth-row 



c. Inner margin of the tragus convex. 

 d'. Upper mcisors bifid. 



/". Second lower premolar minute, quite 

 internal to the tooth-row 6. 



g". Second lower premolar minute, in the 

 tooth-row 7. 



N. hispida, p. 162. 

 N. grandis, p. 164. 



N.javanica, p. 164. 

 N. cethiopica, p. 165. 



5. JV. macrotis, p. 165. 



N. thebaica, p. 165. 

 N. capensis, p. 166. 



1. Nycteris hispida. 



Vespertilio hispidus, Schreber, Saugeth. i. p. 169, pi. Ivi. (1775). 

 Nycteris daubentonii, Geoffroy, Descr. de VEgypte, p. 113 (1812) 



"(vide Peters, MB. Akad. Berl. 1870, p. 901). 

 Rhinolophus martini, Fraser, P. Z. S. 1848, p. 25. 

 Nycteris poensis. Gray (nomen nudum), Catal Mammal. Brit. Mus. 



p. 24 (1843). 

 Nycterops pilosa, Gray, P. Z. S. 1866, p. 83, 

 Nycteris hispida, Peters, I. v. pi. figs. 1, 2. 



