Y%. PSEUDOCORDYLUS.—8. PLATYSAURUS. 261 
ao. 8. Africa. Earl of Derby [P.}. 
2 &. 8. Africa. Sir A. Smith [P.]. 
c-d. 3 & yg. 8. Africa. Dr. Quain ip 
e, f. Ad, stuffed. 8. Africa. 
g. Skeleton. 8. Africa, Sir A. Smith [P.]. 
3. PLATYSAURUS. 
Platysaurus, Smith, Ill. Zool. S. Afr., Rept.; Gray, Cat. Liz. p. 49; 
Peters, Reise n. Mossamb. iii. p. 52. 
Head and body much depressed; limbs well developed. Head- 
shields regular ; four parietals ; nostril pierced in the nasal ; a post- 
nasal. Ear-opening large. Dorsal scales granular; ventrals large, 
square, smooth, juxtaposed, forming regular longitudinal and trans- 
verse series. A collar fold. Digits slightly keeled inferiorly, Tail 
without spines. Femoral pores. 
South Africa, 
Synopsis of the Species. 
20 longitudinal rows of ventral scales; no 
Occipiial. sveevaveiwsaakee staan see te 1. capensis, p. 261. 
20 longitudinal rows of ventral scales; 
occipital present ........ 0... cee eee 2. guttatus, p. 262. 
16 longitudinal rows of ventral scales .... 3. torquatus, p. 262. 
1. Platysaurus capensis. 
Platysaurus capensis, Gray, Cat. p. 49. 
Platysaurus capensis, Smith, 1. . pl. xl. 
Head much longer than broad. Frontonasal hexagonal, as long as 
broad ; frontal trapezoid ; interparietal small, lozenge-shaped, in 
the middle between the two pairs of parietals, of which the 
posterior is the largest; no occipital; four supraoculars, anterior 
large, triangular, posterior smallest; four supraciliaries ; lower eye- 
lid with a transparent disk ; two longitudinal rows of large tem- 
porals, upper largest; a loreal; a large preorbital; four infra- 
orbitals, second and third bordering the lip; five labials anterior to 
the second infraorbital. Mental pentagonal; five lower labials, 
bordered by a row of five large shields, the fourth of which is much 
larger than the others; gular scales small, elongate quadrangular 
anteriorly, with a median series of slightly enlarged ones, granular 
under the neck, again increasing in size towards the collar; latter 
edged by eight scales. Dorsal scales small, flat, granular, slightly 
enlarged on the vertebral line, minute on the flanks. Veuntrals 
square, in twenty longitudinal and forty transverse series. Pre- 
anal scales small, the largest hardly larger than the ventrals. Limbs 
long; the length of the tibia equals the distance from the end of 
the snout to the lower inferior corner of the ear-opening; digits 
long and slender. Scales on the limbs smooth, feebly keeled on the 
tibia, granular on the thighs and under the arms; lower surface of 
