12. UNGALIA. Ill 



1. Ungalia taczanowskyi. 



Ungalia taczanowskyi, Steindac/ui. Sitzb. Ak. Wien, l\xx. 1880, 

 p. 522, pi. -. 



Head slightly distinct from neck, llostral a little broader than 

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

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

 one or two pra3- 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. 



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



2. Ungalia moreletii. 



Tropidophis moreletii, Bocourt, Ball. tSoc. Philom. (2) ix. 1885, 



p. 113. 

 Ungalia moreletii, Bocourt, Miss. So. 3fex., Rept. pi. xlii. tig. 5 



(1888).- 



Head slightly distinct from neck, llostral 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 tectiform, in 25 rows. Ventrals 208 ; anal entire; 

 subcaudals 34. Pale brown above, with two longitudinal scries 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. 



Vei'a Paz, Guatemala. 



3, Ungalia melanura. 



Boa melanura, Schley. Fhys. Scrj). ii. p. 399 (1837), and Abbild. 



pi. xxvi. (1844). 

 Ungalia melanura, Grm/, Zool. 3Iisc. p. 46 (1842), nnd Cat. p, 104 



(1849) ; Cope, Proc. Ac. Philad. 1868, p. 129 ; Gundl. Erp. Cab. 



p, 61 (1880). 

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



p. 208, pi. xxiii. (1843) ; nam. Sf Bibr. vi.. p, 491 (1844) ; Jan, 



Icon. Gen. p, 75, 1. 5, ])1. i. fig. 1 (1864). 

 Notophis bicarinatus, Hallow. Proc. Ac. Philad. 185G, p. 156. 



Head distinct from neck, llostral 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 prae- and three post- 

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

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



