548 Mr. G. A. Boulenger on new 
series of transverse, rhomboidal, darker spots ; scapular region 
darker, with a light vertical line; a dark, light-edged, oblique 
streak on the upper lip, below the eye; male with the chin, 
the breast, the preanal region, and the lower surface of the 
limbs whitish, the throat, the flanks, and the middle line of 
the belly grey, the belly and the lower surface of the tail of a 
bright pink ; female with the throat greenish and the rest of 
the lower parts whitish. 
millim. 
Potal Leng in ars 0c) ss aes ies ase 210 
leads 5 eadhan terres cudaehs mate oeieetaterenters 20 
Wadth Of hea dicyesics ciete tere epece cietene cist: 15 
TSO Yi as reese ace tries enc tleas altro Ravots teas a 65 
OTe slim Diss esdecd pala Cees eaenene sca 39 
bred! Lismore eee ae serene are one ous 70 
Dail (reproduced) “ais ae senstscerrn see 125 
Two specimens (male and female) from Merced, Perené 
River, 3250 feet. 
Most nearly related to L. erythrogaster, Hallow., but 
distinguished by the smaller scales. 
Liocephalus scapularis. 
Upper head-scales moderately large, feebly keeled or 
striated ; nostril supero-lateral; nasal separated from the 
nostril by one series of scales; four transversely enlarged 
supraoculars, separated from the supraorbitals by one series 
and from the supraciliaries by three series of scales; a pair 
of interparietals followed by two occipitals; parietals broken 
up into small shields; a feebly serrated midge above the 
temple ; two or three teebly projecting scales on the anterior 
border of the ear. Sides of neck not folded, covered with 
small, imbricate, keeled scales. A feeble but very distinct 
dorsal crest ; a weaker lateral crest on each side of the ante- 
rior part of the back and on the sacral region. Dorsal scales 
moderately large, pointed, smooth; lateral scales smaller, 
feebly keeled; ventral scales as large as dorsals, strongly 
keeled; 57 scales round the middle of the body. Gular 
scales as large as dorsals, strongly keeled. The hind limb, 
stretched forwards, reaches the nostril. Tail scarcely com- 
pressed, with a serrated upper edge at the base. Greyish 
brown above, with a series of chevron-shaped darker markings 
pointing backwards; scapular region dark brown, sharply 
defined above and behind by an angulate white line; a large 
round dark brown spot between the shoulders; a broad dark 
