CHEIROPTERA. 129 



lostoma and RhmolopJii, have no intermaxillary 

 bones, there heing, instead, a mere membrane, and, 

 consequently, have no upper incisors. 



Megaderma spasma, Cuv. Cordated Bat, or 

 Meg. trifolium, is a species from Ternate and 

 Java, with an oval or cordate nasal appendage re- 

 sembling the horizontal, and the opercula bi or tri- 

 lobate ; it is mouse colour or russet, and about four 

 inches long. 



M. lyra and M.frons are two other species, de- 

 scribed from India and from the Gambia. 



Genus RHINOLOPHUS. Horse Shoe Bats. Dent, 

 form, incis. f, can. ^-J, mol. ig=if =30. Some- 

 times there are no upper incisors, but there is occa- 

 sionally a third premolar in the lower jaw, and in 

 other cases only one on each side in the upper ; the 

 ears are large without opercula ; nose complicated 

 with membranes ; two inguinal glands ; interfemoral 

 membrane entire, including the tail. 



These are the common Horse Shoe Bats; they 

 have no fibula, or small leg bone ; their great toe is 

 not opposable like the hinder thumb of other species. 



They are divided into Rhinolophi A, with a 

 simple nose-leaf, transversal, and more or less cir- 

 cular (Hipposideros of Gray), which comprehends 

 species belonging to Southern Asia, such as R. 

 nollliSy or Klebeck of Java ; R..diadema^ or Diadem 

 Horse Shoe Bat of Timor ; the R. miignis, R. spe- 

 oris, &c. 



S, section B, with nose-leaf more or less compli- 

 cated, the posterior leaflet being spear-shaped, and 



