> lerd 
SYNOPSES AND DESCRIPTIONS. 127 
Labials nine, third largest, separated from the orbit by two scales, second 
forming a border to the pit. Scales keeled, in 23 rows. Ventrals 162. 
Anal entire. Subcaudals 55, entire. 
Yellow, with scattered spots or dots on head and body; belly light 
yellow. Central America to Mexico, 
TELEURASPIS NUMMIFER. 
Arropos NuMMIFER Ruppell, 1845, Museum Senckenbergianum, 313. 
BorHrops NUMMIFER Jan, 1863, Elenc. Sist., 126. 
Stout; head short, triangular, broad behind; tail short, near one eighth 
of the total. Eye moderate, pupil erect. Crown covered with small car- 
inate scales. Sup raciliaries small. Scales of the side of the face small. 
Seales all keeled, in 25 rows, dorsal keels not reaching the end of the 
scale. Ventrals 132. Anal entire. Subcaudals 33, entire. 
A dorsal series of rhomboidal darker-edged brown spots, sometimes com- 
plete and distinct, and sometimes triangular and alternating across the 
back, but united in such a manner as to form a zigzag series. <A series 
of irregular-shaped black spots on the flank and another series alternating 
with these on the ends of the ventrals. Posteriorly the borders of the 
dorsal rhombs unite with each other, and the lateral spots inclosing lighter 
spaces on the flanks. Ventrals yellowish in front, becoming dark leaden 
posteriorly spotted with light. Labials, infralabials, chin-shields, and seales 
below the neck white. A dark band behind the eye, above the hinder 
labials to the neck. End of tail lighter. (Jan.) Guatemala, Mexico. 
