114 BoD. 
spots, the two middle ones largest and close together ; beneath with 
large black spots. 
Total length 430 millim. ; tail 44, 
Santo Domingo. 
8. Ungalia cana. 
Ungalia cana, Cope, Proc. Ac. Philad. 1868, p. 129. 
Head rather wide behind. One pra- and three postoculars; ten — ; 
upper labials. Scales in 23 rows, keeled, except six outer rows, 
vertebral row enlarged. Ventrals 168. Grey-brown above, witha 
more or less distinct dorsal series of transverse darker spots; a 
brown band from the eye to the neck ; below yellowish grey, densely 
punctated at middle of ventrals. 
Total length 340 millim. ; tail 35. 
Inagua Island, Bahamas. 
13. UNGALIOPHIS. 
Ungaliophis, F. Miiller, Verh. nat. Ges. Basel, vii. 1882, p. 142. 
Peropodum, Bocourt, Miss, Sc. Mex., Rept. p. 522 (1882). 
Anterior maxillary and mandibular teeth longest. Head distinct 
from neck, covered with shields, viz. a large azygous prefrontal, a 
pair of supraoculars, a frontal, and a parietal; loreal present; 
nostril between three shields. Eye moderate; pupil vertical. Body 
strongly compressed; scales moderate and smooth. Tail short, 
prehensile ; subcaudals single. 
Guatemala. 
: 1. Ungaliophis continentalis. - 
Peropodum n. sp. et g., F. Miill. Verh. nat. Ges. Basel, vi. 1878, 
p. 652, pl. i. 
Ungaliophis continentalis, F. Miill. op. cit. vii. 1882, p. 142. 
Peropodum guatemalensis, Bocourt, Miss. Sc. Mex., Rept. p. 523, 
pl. xxxi. fig. 5 (1882), ~ 
Head slightly distinct from neck. Rostral visible from above; 
prefrontal larger than the frontal, which is subcordiform and as 
long as broad ; parietal short ; loreal as long as deep; one pree- and 
two postoculars; ten upper labials, fourth and fifth entering the 
eye. Scales in 25 rows. Ventrals 258; anal entire; subcaudals 
47. Pale greyish brown above; a large black blotch, edged with 
yellow, on the head, bifurcating posteriorly and extending as two 
stripes on the neck ; two alternating series of large oval black, yellow- 
edged spots on the back; a lateral series of smaller spots; a black 
streak from the nostril to the eye, and two others, diverging, behind 
the eye; lower parts speckled with black and yellow. 
Total length 760 millim. ; tail 80. ~ 
North-western Guatemala. 
