12. UNGALIA. Ill 



1. Ungalia taczanowskyi. 



Ungalia taczanowskyi, Steindachn. Sitzh. Ah. Wien, Ixxx. 1880, 

 p. 622, pi. — . 



Head slightly distinct from neck. Kostral a little broader than 

 deep, just visible from above ; frontal longer than broad, longer 

 than its distance from the end of the snout or than the parietals ; 

 one or two prsE- and two postoculars ; eight or nine upper labials, 

 fourth and fifth entering the eye. Scales keeled, three outer rows 

 smooth, in 23 rows. Ventrals 149-160 ; anal entire ; subcaudals 

 25. Brown above, with darker longitudinal streaks or series of 

 spots ; a series of large black spots and yellowish dots on each side ; 

 sides of belly black ; ventrals black and yellow. 



Total length 345 millim. ; tail 40. 



Ecuador and Peru. 



a. $ (V. 149; C. 25). Guayaquil. 



2. Ungalia moreletii. 



Tropidophis moreletii, Bocourt, Bull. Soc. PhUom. (2) ix. 1885, 



p. 113. 

 Ungalia moreletii, Bocourt, Miss. 8c. Mex., Mept. pi. xlii; fig. 5 



(1888). 



Head slightly distinct from neck. Rostral slightly broader than 

 deep, visible from above ; frontal a little longer than broad, as long 

 as its distance from the end of the snout ; parietals short ; one 

 prse- and two postoculars ; ten upper labials, fourth and fifth entering 

 the eye. Scales teotiform, in 25 rows. Ventrals 208 ; anal entire ; 

 subcaudals 34. Pale brown above, with two longitudinal series of 

 large blackish spots edged with yellowish ; a single series of 

 spots on the tail ; lower parts yellowish white, with a few small 

 greyish-brown spots on the sides. 



Total length 442 millim. ; tail 45. 



Vera Paz, Guatemala. 



3. Ungalia melannra. 



Boa melanura, Schleg. Phys. Serp. ii. p. 399 (1837), and Abbild. 



pi. xxvi. (1844). 

 Ungalia melanura, Gray, Zool. Misc. p. 46 (1842), and Cat. p. 104 



(1849) ; Cope, Proc. Ac. Philad. 1868, p. 129 ; Qundl. Erp. Cub, 



p. 61 (1880). 

 Tropidophis melanurus, Bibr. in R. de la Sagra, Hist. Cuba, Rept. 



p 208, pi. xxiii. (1843) ; Bum,. ^ Bibr. vi. p. 491 (1844) ; Jan, 



Icon. gL p. 75, 1. 5, pi. i. fig. 1 (1864). 

 Notophis bicarinatus, Hallow. Proc. Ac. Philad. 1856, p. 156. 



Head distinct from neck. Eostral broader than deep, just visible 

 from above ; frontal longer than broad, as long as its distance from 

 the end of the snout ; parietals short ; one pree- and three post- 

 oculars ; ten upper labials, fourth and fifth enteringthe eye. Scales 

 in 27 or 29 rows, feebly keeled, four or five outer rows smooth. 



