14. EREMtaAs. 81 
Ventrals in 8 series ; dorsal scales smooth 5. pardaloides, p. 87. 
Ventrals in 10 series; scales on upper 
surface of tibia not larger than dorsals. 6. guttulata, p. 87. 
Ventrals in 10 series; scales on upper 
surface of tibia much larger than 
dorsals, imbricate, strongly keeled.. 11. undata, p. 92. 
2. Supraoculars entirely surrounded by granules; ventral 
plates in 6 longitudinal series. 
Lower nasal undivided, normal ; upper 
head-shields strongly striated ...... 2. spekii, p. 84. 
Lower nasal undivided; upper head- 
shields not striated; scales on upper 
surface of tibia not larger than dorsals 3. lugubris, p. 84. 
Lower nasal divided, the nostril being 
pierced between four shields; scales 
on upper surface of tibia much larger 
than doredls 2 so0< esc vanewew new 4. brenneri, p. 86. 
B. Ventrals in 12 to 16 series. 
1. The distance between the loreal and the first of the two 
largest supraoculars is less than the length of the latter 
shield. 
Frontonasal separated from the rostral 
by the nasals ; ventral plates of the 
two median series as large as the 
OLDOES Ss eS Sas oven ie Aet Wee Ome 7. brevirostris, p. 89. 
Frontonasal in contact with the rostral ; 
occipital present ; subocular bordering 
CHE LP) sire rcpe cease snes eva sree « 8. rubropunctata, p. 89. 
Frontonasal in contact with the rostral; 
no occipital ; subocular not reaching 
tHE Lp. cose ines 34S CURA SSR 9. suborbitalis, p. 90. 
Frontonasal separated from the rostral ; 
ventral plates of the two median series 
smaller than the others ............ 10. namaquensis, p. 91. 
2. The distance between the loreal and the first supraocular 
equals or exceeds the length of the latter shield. 
a. Lower eyelid with a large transparent disk formed of 
two scales. 
Scales on upper surface of tibia much 
larger than dorsals; latter keeled only 
on the hinder half of the body ...... 12. pulchella, p. 93. 
Scales on upper surface of tibia not, or 
but slightly larger than the posterior 
dorsals ; latter keeled from between 
the shoulders ......eess seen cree 13. lineo-ocellata, p. 94. 
Vou. III. @ 
