400 TETID.2. 
3. Anadia metallica. 
Chalcidolepis metallicus, Cope, Journ. Ac. Philad. (2) viii. 1876, 
p. 116, pl. xxiv. fig. 5. 
Anadia metallica, Ginth. Biol. C.-Am., Rept. p. 80. 
Head narrowed and acute in front, with produced rostral shield ; 
body much elongate ; limbs feeble. Lepidosis much as in the pre- 
ceding. Nostril in asingle nasal; twenty-three scales in an annulus 
of the body, and forty-three from occiput to sacrum inclusively ; two 
large longitudinal preanal scuta, which embrace a scale between 
them on the anal border ; they are preceded by another large pair, 
but of reduced size. Colour light grey with red and green metallic 
reflections ; the sides are brown, and the middle of the back darker 
than a line above the brown of the side; near the light bands a few 
scales are blackish, forming a row on each side; below dusted with 
brown ; head with deep brown sides and white upper lip; sides of 
tail brown, with a zigzag upper margin. 
millim. millim, 
Total length ...... 165 Head and body .. 58 
Head to tympanum. 11 Fore limb........ 13 
Head to axilla .... 17 Hind limb ...... 145 
Aguacate Mountains, Costa Rica. 
4. Anadia bogotensis. 
Ecpleopus (Xestosaurus) bogotensis, Peters, 1. c. p. 217, pl. iii. fig. 8. 
Head small, snout short, obtusely pointed; body rather elongate. 
Nostril in a single plate; supraoculars two, subequal; a large in- 
terparietal; three subequal occipitals; a small loreal and a freno- 
orbital; a row of small infraorbitals; temples with large shields; 
seven or eight upper and six or seven lower labials ; chin-shields, 
one anterior and four pairs, the two first in coniact; gular scales 
roundish subquadrangular, increasing in size towards the collar- 
fold; collar-shields six or seven. Scales of the body subequal, 
slightly imbricate, squarish, with rounded posterior border, slightly 
longer than broad; twenty-eight scales round the middle of the 
body, and forty from occiput to sacrum inclusively. Praanals 
small, in two or three rows, the posterior composed of six plates. 
Exposed parts of limbs with large scales. [Males with seven to 
fourteen femoral pores.] Tail thick, covered with subequal elongate 
quadrangular scales forming regular annuli. Olive-brown above, 
with rather indistinct darker markings; lower surfaces lead- 
colour. 
millim. millim. 
Total length ...... 120 From end of snout 
Head dak cose seus 11 to vent........ 55 
Width of head .... 7 Fore limb..... ox. (14 
From end of snout Hind limb ...... 18 
to forelimb .., 18 Tail (reproduced)... 65 
