xo. 1606. THREE NEW LIZARDS—STEJNEGER. 903 
low and subequal, the sixth suddenly much higher and twice as 
wide, seventh equalling sixth and with the latter entering the orbit, 
from which they are separated, however, by a single row of small 
scales as large as the smaller superciliaries; a large unpaired post- 
mental followed by three pairs of large submandibulars, the two 
anterior pairs of which are in contact on the middle line; ear-opening 
oval, erect, smaller than eye-opening; 32 scales around the middle of 
the body; dorsals, ten in the shielded part of the head, and laterals 
strongly keeled, not mucronate, the keels form- 
ing eight straight lines on the back; ventrals 
smooth, perceptibly smaller than the dorsals, 
twelve in a head length; a single, very large 
preanal plate; third finger almost as long as 
fourth; subdigital lamellse smooth, 25 under the 
fourth toe; extended hind leg barely reaches the 
elbow ; tail strongly compressed, with four strong 
keels above at base, diminishing to two towards 
the middle, and with a medium series of wide 
smooth plates underneath; length of tail much 
less than twice the length of body. Color (in 
alcohol) above and on sides vandyke-brown, 
shiny on the head, dull on body and extremities; 
obscure traces of blackish cross-bars on the back 158-6. ~TROFIporHorus 
j MISAMINIUS. 2X NAT- 
and of vertical bars of pale spots on sides of body — urax size. 5, Tor oF 
and) tails’ a blackish’ postocular streak below 2842: © SIDE OF HEAD. 
; a, No. 37383, U.S.N.M. 
which on the temples a cluster of small whitish 
spots and a few scattered ones on the sides of neck; underside shiny, 
chin, throat, lower neck, palms, soles, and posterior two-thirds of 
tail blackish brown, each scale with a narrow pale edge; rest of under- 
side whitish. | 
Dimensions. 
min, 
FIR TeeaNTAR 1 Ue et eee oe es ae VL Ae ee ee ee ee eo! oD 
Tip of snout to vent__ Lo cy tees see BEY SU 28 oe 1 emt eee, Rk 89 
Lip ROTASNOUtELOMeAL=O CIN ower tae eS Be a ea oe 18 
AWai citheo feel Cai aaa aay ee ie Laat Ss BO U2, & 
Ve iteebOmsUT DEO tee taNlltee ete ote ee eae Reve h a Bhd es 2 130 
FO RCMe Co meremeuene = Rema Sanat cs tomer om are cnepih ALAA ted SA DEE RIA Se es 26 
VS Grbalg  SeD eyee ae See a ie i gc ee 41 
Variation—Two other specimens, from the same locality, one 
halfgrown (No. 37384) and one young (No. 37385) agree closely in 
all the structural characters as given in the above description of the 
type, except that in the young the head-shields are not smooth but 
feebly rugose. The halfgrown specimen also agrees very closely in 
