114 1 BOID^. 



spots, the two middle ones largest and close together ; beneath with 

 large black spots. 



Total length 430 miUim. ; tail 44. 



Santo Domingo. 



8. Ungalia caua. 



Ungalia cana, Cope, Proc. Ac. Philad, 1868, p. 129. 



Head rather wide behind. One prse- and three postooulars ; ten 

 upper labials. Scales in 23 rows, keeled, except six outer rows, 

 vertebral row enlarged. Ventrals 168.- Grey-brown above, with a 

 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. TJNGALIOPHIS. 



UngaliopWs, F. Muller, Verh. nat. Oes. Basel, vii. 1882, p. 142. 

 Peropodum, Bocourt, Miss. Sc. Mex., Bept. p. 522 (1882). 



Anterior maxillary and mandibular teeth longest. Head distinct 

 from neck, covered with shields, viz. a large azygous praefrontal, 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. UngaliopMs continentalis. 



Peropodum n. sp. et g., F. Miill. Vei-h. nat. Ges. Basel, vi. 1878, 



p. 652, pi. i. 

 Ungaliophis continentalis, F. Miill. op. cit. vii. 1882, p. 142. 

 Peropodum guatemalensis, Bocourt, Miss. Sc. Mex., Bept. p. 623, 



pi. xxxi. fig. 5 (1882). 



Head slightly distinct from neck. Eostral visible from above ; 

 prsefrontal larger than the frontal, which is subcordiform and as 

 long as broad ; parietal short ; loreal as long as deep ; one prse- 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 yeUow. 



Total length 760 miUim. ; tail 80. 



North-western Guatemala. 



