114 PTEROPIDE, 
A. Face very long, slender. Cutting-teeth isolated, in an arched series. 
Grinders much compressed. 
a. Wings from middle of the back. Tail elongate. 
4. NOTOPTERIS. 
Head elongate. Muzzle produced, subcylindrical. Nose simple. 
Muffle narrow, bald between the nostrils, with a deep central notch. 
Ears small, lateral. Body covered with short crisp hair. Wings 
broad, short, arising from the middle of the back. Side edge arched, 
in towards the middle of the back. Middle of the-back bald; 
shoulders and rump hairy. Thumb elongate; lower joint half the 
length of the upper, and enclosed in a narrow membrane. Index 
finger of three bony joints; the last joint short, clawed. Interfe- 
moral membrane deeply cut out, margining the hind legs to the heel, 
hairy above and on the underside near the body, bald at other part. 
Tail elongate, slender, tapering, many-jointed, arising from, and 
with the base attached to, the underside of the narrow interfemoral 
membrane, as long as the hind legs. 
Notopteris, Gray, P. Z. S. 1859, p. 36, t. 67. 
Notopteris Macdonaldii. B.M. 
Dusky brown, rather paler beneath: 
Notopteris Macdonaldii, Gray, P. Z. S. 1859, p. 88, pl. 67; Ann. & 
Mag. N. H. 1859, iv. p. 309. 
Hab. Feejee Islands (Viti). 
Skull elongate; the upper cutting-teeth small, far apart; inter- 
maxillary bones arched, produced on each side; the lower larger, 
near the base of the canines; canines long, compressed, trihe- 
dral; grinders small, much compressed, elongate, narrow, form- 
ing a continued series, the hinder one in each jaw oblong, of the same 
shape but rather smaller than the penultimate; false grinders 1; 
the lower jaw very slender, wide behind, the branches regularly 
diverging. Skull somewhat like that of Macroglossus (see Blainv. 
Os. Cheir. t.6); but it has an additional compressed false grinder in 
each jaw. 
b. Wings from sides. Tail very short. 
5. MACROGLOSSUS. 
Head elongate. Muzzle slender, conical. Tongue exsertile, smooth, 
elongate. Ears conical, prominent. Wings from the sides of the 
back, attached on the back of the feet to the base of the toes. Lower 
joints of the thumb elongate, enclosed in a broad membrane ; upper 
longer. Tail scarcely visible, very short. Back, upperside of arms 
and legs, and interfemoral membrane hairy. 
Macroglossus, ’. Cuv. Macroglossa, Lesson ; Fischer. 
Skull elongate ; face much elongated, very slender ; lower jaw- 
bone weak. Grinders #, small, compressed. Cutting-teeth 4. 
False grinders +, compressed. Canines slender, 
