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MAMMALIA, 
sZ| ’ t° ta ^ 32. The two first pointed, the others fiat at top, 
and cylindrical in form ; shell composed of a series of transverse 
plates ; five toes on the fore feet, and five on the hind ones, with 
long laterally compressed nails ; tail short and prehensile; lower 
jaw articulated nearly in the same manner as the Pachyder- 
mata. 
Chlamyphorus truncatus .— The Truncated Chlamyphorus. 
Plate VIII. fig. 4. 
Body covered with a leather-like shell, abruptly truncated 
behind, and with white silky hair underneath ; tail short, and 
bent under the abdomen. Length about five inches. Inhabits 
North America. 
Tribe III— Monotrema. —No teats observable; with mar¬ 
supial bones. 
Genus 8. — Echidna.— Cuvier. 
Generic Character .—Destitute of teeth, but with the palate 
aculeated; muzzle flat, narrow, and small ; tongue protractile ; 
eyes small; no external ears •, feet short, with five toes; a 
moveable sharp-pointed spur on the hind legs, through which an 
acrid secretion is ejected ; tail short; body covered with spines ; 
large marsupial bones. Body capable of a spherical shape. 
Echidna hystrix. — The Spiny Echidna. 
Plate XXIV. fig. 2. 
Upper part of the body covered with thick spines, without 
hairs •, under part with bristly hair, and deep brown spines, tip¬ 
ped with black. About the size of a hedge-hog. Inhabits 
New Holland. 
Genus 9. — Ornithorynchus. — Blumenbach. 
Generic Character .—No incisory or canine teeth, grinders 
l-l > tota ^ & Grinders fibrous, fixed only in the gum ; having 
a horny beak, resembling a duck’s bill ; nostrils contiguous. 
