138 



COLTJBRID^. 



Natrix semilineata, Waffl. in Sju-i; Serp. Bras. p. 33, pi. xi. fig. 2 



(1824). 

 Coronella reginae, part., Schleg. Pkys. Serp. ii. p. 61 (1837). 

 Liophis reginas, part., Dum. Sf Bibr. vii. p. 704 (1854) ; Jan, Arch. 



Zool. Anat. Phys. ii. 1863, p. 293, and Icon. Gen. IG, pi. vi. fig. 1 



(1866). 



regin^, Glinth. Cat. p. 46 (1858). 



tfeuiurus (wore Tsch.), Gimth. I. c. pp. 46, 246. 



merremii, part., GilntJi. I. c. p. 44. 



regiiice, var. ornata, Ja7i, II. cc. 18, pi. ii. fig. 2. 



Eve rather large; snout short. Rostral broader than deep, 

 visible from above ; interiiasals broader than long, shorter than the 

 l^ra^frontals ; frontal once and two thirds to twice as long as broad, 

 much longer than its distance from the end of the snout, as long as 

 the parietals or slightly shorter ; loreal deeper than long ; one pra3- 

 and two postoculars ; temporals 1 + 2; eight upper labials, fourth 

 and fifth entering the eye ; five lower labials in contact with the 

 anterior chin-shields, which are as long as or a little longer than t h 

 posterior. Scales in 17 rows. Ventrals 136-150 ; anal divided ; 

 subcaudals 58-81. Length of tail 3 to 4 times in the total length. 

 Olive or greenish above, which colour extends to the ends of the 

 ventrals ; usually, each scale edged with black, forming a reticulate 

 pattern ; a more or less distinct black streak along each side of the 

 tail ; upper lip yellow ; young with a yellowish collar and an 

 oblique yellowish, black-edged band on each side of the head, from 

 the parietal shield to the last upper labial ; traces of these markings 

 are usually to be found in the adult ; belly yellowish, usually with 

 black spots. 



Total length 650 millim. ; tail 165. 



Tropical South America. 



a. d (V.139; C. 78). 

 b,c^q,h,i. J (V. 139,144, 



141,140:0.72,71,?,?), 



2 (V. 144, 140, 139; 



C. ?, 74,76), &yg.(V. 



136 ; 0. 73). 

 k-m,n. c?(V. 143; C. 77) 



& 2 (V. 144, 146, 141 ; 



C. 72, 68, ?). 

 0-1). 6 (V. 148; C.71)& 



2 (V. 140; C. 74). 

 q. cJ (V. 145; 0.?). 

 r-s. 6 (V. 149, 138 ; C. 



80, 62). 

 t, M. 2 (141, 141 ; C. 70, 



58). 

 V. 2 (V. 144; C. 72). 



Trinidad. 



Djmerara. 



Berbice. 



Para. 



Para. 

 Bahia. 



J. H. Hart, Esq. [P.] 



Moyobamba, N.E. 



Peru. 

 Sarayacu, N.E. Peru. 



w-x. 2 (V. 148 ; C. ?) & Guayaquil. 



yg. (V. 142 ; C. 71). 



y. 2 (V. 140; U. 76). S. America. 



s. d (V.139; C. 75). ? 



R. Graham, Esq. [P.]. 

 Dr. 0. Wucherer 



[0.]. 

 Mr. A. H. Roff [C.]. 



Mr. W. Davis [C] ; 



Messrs. Yeitch [P.]. 

 Mr. Eraser [C.]. 



(Type of C. grajjhicus.) 



