Reptiles from Peru and Bolivia. 549 
brown, white-edged streak, widening beneath, extending 
obliquely backwards from the eye to the edge of the mouth ; 
greyish beneath, with white spots on the limbs; incomplete 
whitish annuli on the tail. 
millim 
otal length erm iears eels cease ots 210 
1 SILOS eat trom ae AoE RI etc Eee nee 19 
Wadthvofshead mraeenettnts s.-.tcrcha cheers 14 
Bod yitoine Sania res cea aere Atos sashes 51 
IMOVO LMI ey c.cvtte storeerrer ern e hace warns 37 
Lingerie ers canes eso nemrie 62 
1 EET Oe A A a 8) Seen aR 140 
A single specimen (probably immature), from Perené, 
2600 feet. 
This species is allied to LZ. aculeatus, O’Sh., but differs in 
the smaller head-shields, the smaller dorsal scales, and the 
interrupted lateral crest. 
Euspondylus Simonsti. 
Very closely allied to #. maculatus, Tschudi. Distinguished 
by the more slender form, the undivided transparent disk of 
the lower eyelid, the distinctly striated dorsal scales, and by 
the proportions and dispositions of some of the head-shields, 
Interparietal much larger than the frontal, in contact with an 
azygous occipital ; third pair of chin-shields widely separated 
from each other. 34 scales round the middle of the body, 
36 from occiput to base of tail. Brownish above, whitish 
beneath, dotted with greyish; a dark streak on each side of 
the head and neck ; a dark, light-edged, festooned band along 
each side of the tail. 
millim. 
Totalilenetiteree «erase cceitaten: © cle clots 113 
FL oadieepeeetrct is reer eee eal ae tere eae oho vaehone 1 
Wiadthvofeheadinry-c-rrcecteieits sone cere 5 
From end of snout to fore limb........ 16 
From end of snout to vent............ 48 
OTOMIMN Dias e sete nila aioe UP, 
lebelibiels. 6556000800 c000dC siketeta cists 16 
EU SIUMES Peele Peet oi aden 65 
A single female specimen from Puntoyacu, Perené River, 
50UU feet. 
