12 G. A. BOULENGER 
5. Agama vaillanti, sp. n. (Plate III, fig. 2). 
Head convex, slightly longer than broad. Nostril tubular, di- 
rected upwards and backwards, in the posterior part of the 
nasal, on the canthus rostralis. Upper head-scales rather larger 
and smooth; no elongate scale on the snout; occipital enlarged; 
sides of head near the ear, and neck with groups of long spines, 
the longest of which equal the diameter of the eye-opening ; 
these spines partly concealing the eye-opening. Throat much 
plicate; no gular pouch. Body rather depressed, with very large, 
imbricate, mucronate and strongly keeled scales, the keels con- 
verging towards the vertebral line; 27 scales on the vertebral 
line between the origin of the fore limbs and the origin of the 
hind limbs; no nuchal or dorsal crest; ventral scales small, 
smooth; 64 scales round the middle of the body. The adpressed 
hind limb reaches the eye; tibia as long as the skull; third 
finger a little longer than fourth; fourth toe slightly longer 
than third, fifth extending as far as first. Tail thrice as long as 
the distance from gular fold to vent, rounded; the scales as 
large as the dorsals.. Male with a row of anal pores. Yellowish 
brown above, the vertebral line yellowish; two series of dark 
transverse spots along the back, enclosing some lighter spots ; 
anterior part of head with three dark brown ¢ross-bars, the first 
and third interrupted in the middle, the second uninterrupted 
and extending across the forehead and supraocular regions; a 
dark brown streak from below the eye to the commissure of 
the jaws, and another from behind the eye to above the tym- 
panum ; two blackish-brown ,-shaped markings on the nape; _ 
limbs and tail with brown cross-bars; lower parts white. 
Total Nemeth tt he Seo) cant lA) 
IB [eta balers ora ee hie » 21 
VAC re ones lovevevoll! Wl Leta rk » 19 
ISOC aii poate cok PE Ak » 5I 
Sangean sling) sei » AA 
Ein ddimb sea. » 60 
Tale: zie vole, So esp 160 
