52 
MAMMALIA. 
Noctilio unicolor .— The Peruvian Noctilio- 
Plate VII. fig. 4. 
Head round; muzzle blunt; ears large and strait, sharp at 
the ends, and pointing forwards ; tail inclosed in the membrane, 
which joins to each hind leg, and is also supported by two car¬ 
tilaginous ligaments; colour of the fur iron-gray •, tibia and 
fibula separated, each invested by its own hairy skin. Size of a 
rat. Inhabits Brazil. 
Noctilio rufus .— The Red Noctilio 
P late VIII. fig. l. 
Body reddish-brown; legs and ears nearly destitute of hairs. 
Inhabits Brazil. 
Genus 9.—Phyllostoma.— Geoffroy. 
Generic Character. —Incisory teeth canines |—|; molars 
Izl ; total 32. The incisory teeth are pressed close between 
the canines, the intermediate being the largest; nose supports 
two membranous crests—one like a leaf, and the other like a 
horse-shoe ; ears large, without fur, and not united; tail and 
interfemoral membrane more or less developed, varying in dif¬ 
ferent species; tongue forked, with sharp horny prickles. 
* Tail distinct, shorter than the extent of the interfemoral 
membrane. 
Phyllostoma hastatum. — The Javelin Bat. 
Fur brownish red above, yellowish brown on the abdomen ; 
nasal leaf like a spear-head, small at the bottom and top, and 
swelling out in the middle ; horse-shoe appendage very large; 
a range of warts in the form of the letter V, on the upper lip ; 
tail short, entirely enveloped in the membrane, which is large. 
Length of the body four inches; expanse of wings about twenty- 
one inches. Inhabits Guiana. 
