8. LEPIDOSTERNON. 469 
also the upper temporal; a small postocular or temporal ; a single, 
very large, upper labial; mental very small, followed by a single 
rather small chin-shield; a single, very large, lower labial. Three 
hundred and seventy-seven annuli on the body and fourteen on the 
tail; pectoral shields large, elongate, three pairs on the median line, 
and two or three lateral pairs, largest. Four anal segments. 
Brownish white, with very small darker spots. 
Length to vent 336 millim. ; tail 14 millim. 
Brazil. 
16. Lepidosternon scutigerum. 
Cephalopeltis scutigera, Gray, Cat. Tort. p. 78, 
and Sh, Rept. ii. p. 40. 
ees scutigera, Hempr, Verh, Ges. Naturf. Fr. i. 1829, 
P 
Cephalopeltis cuvieri, Mill. Zeitschr, f. Physiol. iv. 1831, p. 257, 
pl. xxii. fig. 5. 
—— hemprichii, Wiegm. Arch. f. Nat. 1836, p. 157, pl. iii. fig. 2. 
Lepidosternon scutigerum, Dum. §& Bibr. vy. p. 609; Strauch, Mél. 
iol. Ac. St. Petersh. xi. p. 456, 
Cephalopeltis scutigera, Gerard, U.S, Explor. Exped., Herp. p. 217. 
Premaxillary tooth 1, maxillaries 3—3, mandibulars 5—5. 
Snout prominent, with subangular horizontal edge; two shields 
cover the upper surface of the head, viz. the large rostral, the lateral 
angles of which extend to the ocular, and the enormous frontal, which 
forms an obtuse angle anteriorly ; a pair of very small transverse 
occipitals; eye slightly distinct through the ocular; no supra~- 
ocular ; three upper labials, first large, second and third small and 
under the ocular ; mental coalescent with the single elongate chin- 
shield; a single, very large, lower labial. Three hundred annuli 
on the body and sixteen on the tail; an annulus on the middle of the 
body contains forty-eight or fifty segments, twenty-two dorsal and 
twenty-six or twenty-eight ventral; pectoral shields large, two pairs 
on the median line and three shields on each side, on a transverse 
line, largest. Anal segments six, median pair largest. Vertebral, 
lateral, and ventral lines well marked. Yellowish, the dorsal 
segments with a brown spot. 
millim 
Length to vent .............. 410 
WALL gem wc seh ake oleae anata arenas 25 
Diameter of body ............ 13 
Brazil. 
a, Ad. Near Rio Janeiro. 1 De Oia [P.]. 
