Ivi 



IXTEKRKLATIONS OF GKNERA. 



to, or iu the case of one or a tew species a little be3'oiid, Victoria 

 ]Syun/,a, south to Angola. Eeiiguela, and Damaralaud. 



The genera of this section fall into three natural groups (branches, 

 subsections) : — (1) The Epomops branch, tlie genera Plerotes, 

 Epomops, and Hiiptsignathus (five species, six forms) : rostrum long, 

 palate broad, postdental palate simple, at least some of the postdental 

 palate-ridges unmoditied (except in Epomops dobsoni) ; (2) the 

 Nanonycteris branch, including JS'anom/cteris, ticofom/cteris, and 

 C'f(sint/cleris (three species) : rostrum much shortened, postdental 

 palate highly variable, though never as in the third branch, at least 

 some of the postdental palate-ridges unmoaitied ; (3) the Epomo- 

 phorus branch, the genera Epumophorus and Micropteropus (nine 

 species, ten forms) : postdental i)alate depressed posteriorly, rostrum 

 varying in length, all palate-ridges modified. 



The probable mutual affinities of the genera of the Eporaophoriue 

 section are expressed in the subjoined diagram (fig. III.). 



Micropteropus 



Casinyctens 



Epomophorus 



Plerote 



ScoConycceris 



Fig. III. — Interrelations of the genera of the Epomophoms section. 



Myonycteris (four species: West African Province) has in many 

 respects remained on the P^ousettine level of development, while in 

 others it exhibits modifications approaching to those of Cynoptertis. 

 The general external appearance, the dental formula, and the palate- 



