MEGADERMA ERONS. 
Ill 
MEGADEEMATID^. 
Face supporting an erect nose-leaf consisting of an anterior and posterior portion, 
with the nostrils in a concavity on the upper surface of the snout, concealed by the 
free anterior margins of the procumbent proximal portion of the nose-leaf. Ears large, 
united to each other directly by their inner borders ; tragus large, membranous, and 
generally asymmetrically bifurcate. Eye large. Tail rudimentary, not traversing the 
interfemoral membrane. Second digit of manus with a single phalanx. Premaxill^ 
cartilaginous. No upper incisors. Females with pubic teats at all ages, as in 
Rhinolophidae. 
Dentition : i. c. p pm. m. | = 28. 
Distribution .—Ethiopian and Oriental Kegions, and Ternate (Wallace). 
MEGADERMA. 
•Megaderma, GeoflFroy St.-Hil. Ann. du Mus. xv. 1810, p. 197. 
Characters, those of the family. 
No species of this family occurs in Egypt proper, but the following bat is found to 
the south of Berber. 
Megadebma feons, E. Geotfr. 
Megaderma frons, E. Geoffr. St.-Hil. Ann. du Mus. xv. 1810, p. 192. 
Heuglin i, who has recorded this bat from Khartum, states that it is one of the 
commonest bats in the Upper Nile region. They are found hanging by one foot on 
the horizontal branches of the almost bare mimosa trees, and are consequently much 
exposed to the direct rays of the sun. 
He further mentions that this species flies about even in the daytime, and can see 
well in the full glare of sunlight. He asserts that it dashes through the thick bushes 
with a restless wavy flight, but with the utmost dexterity, not even touching a 
single leaf in its course. A very similar observation was recorded by Speke ^ some 
years before Heuglin wrote, as he had noticed this bat at Meninga, rising seemingly 
^ Reise Geb. des Weissen Nil, 1869, p. 327. 
2 Proc. Zool. Soc. 1864, p. 99. 
