278 



COLTJBEIDiE. 



a. 2 (V. 125; C. 43). ? Leyden Mus. (Type.)> 



6. S (V. 123; C. 51). Lagoa Santa. Prof. Reinhardt [P.]. 



(One of the types of H. assimUii.') 

 c, d. 5 (V. 122 ; 0. 55) Porto Real, Prov. Rio M. Hardy du Dr^neuf 

 &yg-.(V.119;C.64). Janeiro. [C.]. 



8. Helicops leopardinus. 



Homalopsis leopardina, Schleg. Pliys. Serp. ii. p. 358 (1837). 



Dimades leopardina, Orm/, Zool. Misc. p. 65 (1842). 



Tachynectes leopardina, Qray, Cat. Sn. p. 69 (1849). 



Helicops leprieurii, jDum. 8r Bibr. vii. p. 750, pi. Ixviii. [Uranops- 

 Severe] (1854) ; Ounth. Ann. |- Mag. N. H. (3) vii. 1861, p. 427 ;■ 

 Jan, Arch. Zool. Anat. Phys. iii. 1865, p, 253, and Icon. Gen. p. 28,- 

 pl. iv. figs. 2 & 3 (1868). 



leopardinus, Jan, II. cc. p. 251, pi. iii. fig. 2. 



Eye small ; rostral visible from above, forming a narrow suture 

 •with the internasal ; froQtal nearly twice as long as broad, widening' 

 behind, longer than its distance from the end of the snout, shorter 

 than the parietals ; loreal deeper than long (rarely absent) ; one 

 prsB- and two postoculars ; temporals 1 or 2 +2 or 3 ; eight or nine 

 upper labials, fourth or fourth and fifth entering the eye ; four or 

 five lower labials in contact with the anterior chin-shields, which 

 are as long as the posterior. Scales in 19 rows (sometimes 21 on 

 the nape), more or less strongly keeled, outer rows usually smooth 

 or feebly keeled. Ventrals 118-131; anal divided; subcaudals 

 53-83. Dark olive or brown above, with four or five alternating- 

 series of black spots ; a light streak from below the eye to the angle 

 of the mouth, sometimes connected with its fellow by a light cross- 

 bar on the nape ; lower parts checkered or cross-barred, black ani 

 yellow. 



Total length 630 millim. ; tail 160. 



Guianas, Brazil. 



a. 2 (V. 121 ; 0. 66). Surinam. Lidth de Jeude Coll. 



b. $ (V. 118 ; C. 69). Cayenne. 



c. d. 6 (V. 124 ; 0. 70) Bahia. Dr. O. Wucherer [CI. 

 & 5 (V. 127 ; 0. 58). 



«-/> 9- S (V- 125, 131, 128 ; Bahia. 



C. 53, 65, 63). 



^ 9. Helicops angulatus. 



Coluber angulatus, lAnn. Mus. Ad. Frid. p. 23, pi. xv. fig. 1 (1754),. 



and S N. i. p. 377 (1766) ; Baud. Sept. vii. p. 209 (1803). 



surinamensis, Shaw, Zuol. iii. p. 460 (1802). 



Natrix aspera, Wagl. in S}}i.v, Serp. Bras. p. 37, pi. xiii. (1824). 

 Homalopsis angulata, Schley. Phys. Serp. ii, p. 351, pi. xiii. figs. 24i 



& 25 (1837). 

 Uranops angulatus, Gray, Cat. p. 68 (1849). 

 Helicops angulatus, Bum. Sf Bih\ vii. p. 746 (1854) ; Gunth. Ann. 



8r Mag. N. K. (3) vii. 1861, p. 428 ; Jan, Arch. Zool. Anat. Phys, 



iii. 1865, p. 251, and Icon. Gin. 28, pi. iv. fig. 1 (1868). 



