XVI VAMPYRUS Seyi 
Furia, Amorphochilus, Rhynchonycteris, Saccopteryz, Cormura, 
and Diclidurus are other Neotropical genera of the same family. 
The genus Taphozous' has a tail which perforates the inter- 
femoral membrane, appearing on its upper surface; it is capable 
of being withdrawn. The premaxillaries are cartilaginous. The 
dentition is 15 C+ Pm 3M 3. The upper incisors often disappear. 
Many species of the genus have a gular sac, opening anteriorly 
between the jaws. This is better developed in the males. The 
genus ranges from Africa through Asia to New Guinea and 
Australia. There are some twelve species. 
The genus J/olossus* has short legs and well-developed fibulae. 
The tail is thick and fleshy, and is prolonged far beyond the margin 
of the interfemoral membrane. The ears are united together 
above the nose; the tragusis minute. The dentition is I+ or} C4 
Pm J or? M#. This genus, which is confined to the tropical and 
subtropical portions of America, has long and narrow wings. The 
Bats can thus fly rapidly, twist about with ease, and capture 
strongly-flying insects. There are a large number of species. 
Nyctinomus is an allied genus, and also has many species. 
These range through both hemispheres. The chief differences from 
Molossus are that the premaxillary bones are separate in front or 
united by cartilage, and that the incisors may be three in the 
lower jaw. 
Fam. 5. Phyllostomatidae.—The Bats of this family are ex- 
tremely numerous and almost entirely confined to South America. 
None of them occur outside the New World. There are some 
thirty-five genera. The members of the family are to be distin- 
guished by the presence of the nose leaf, by the well-developed 
premaxillae, and by the possession of three phalanges by the 
muddle finger. They are large, and the tragus of the ear is well 
developed. 
Vampyrus of South America contains the large species V. spec- 
trum, Which, mainly on account as it seems of its “ forbidding 
aspect,” Was supposed to be a bloodsucker. This genus has two 
incisors on each side of the upper jaw. 
The genus Glossophaga represents another type of structure in 
this family. The tongue is long and extensile, and is much attenu- 
ated towards the tip, where it is covered with strong and recurved 
papillae. This structure was at one time thought to indicate a 
‘ Dobson, Proc. Zool. Soc. 1875, p. 546. 2 Ibid. 1876, p. 701. 
