REPTILES. 
297 
cinereous above, with four longitudinal brown streaks ; pale 
ash below.— Daudin, plate 57. 
Genus 26.—BIPES.— Lacepede. 
Generic Character .—Destitute of fore feet; the scapulars and 
clavicles being concealed under the skin ; feet slightly divided in 
some species, and completely attached in others. 
Bipes gronovi .— Gronovius’s Bipes. 
Tail shorter than the body; scales on the back with small 
brown dots ; feet placed far back and the toes connected to 
their tips. 
Genus 27.—CHALCIDE S.— Daudin. 
Generic Character. —Head somewhat obtuse; no distinct 
neck; body greatly elongated; four short feet, furnished with 
from one to three toes; scales not imbricated, but arranged in 
transverse bands. 
Chalcides tridaclyles. — The Three-Toed Chalcides. 
Ferruginous, with longitudinal dark brown stripes; feet with 
three toes, without nails.— Daudin, IV. plate 58, fig. 3. 
Genus 28.— CHIROTES_ Cuvier. 
Generic Character. — With fore-feet only; head obtuse; no 
distinct neck; body greatly elongated; with from one to five 
toes on the feet. 
Chirotes lumbricoides. — The Worm-Shaped Chirotes. 
Body longitudinally furrowed on the sides; feet with five 
toes, four of which are provided with claws and one devoid of 
a claw. Eight inches long. Inhabits Mexico. 
ORDER III.—OPFIIDIA. 
Heart with two auricles ; body greatly elongated, cylindrical, 
and destitute of feet; for the most part, covered with scales. 
