412 MB. G. A. BOULElfGEIl ON APODAL BATEACHIANS. [May 21, 



SynoiJSts of the Sjyedes. 



Tentacle in front of and below the eye, which is perfectly 

 distinct ; diameter of body 20 to 25 times in total length ; 

 85-95 circular folds, all complete 1. annulatus. 



Tentacle in front of and below the eye, which is perfectly 

 distinct ; diameter of body 32 times in total length ; 110-115 

 circular folds, all complete 2. patdensib. 



Tentacle in front of and below the eye, which is very indistinct ; 

 diameter of body 46 times in total length ; 133 circular folds, 

 mostly interrupted on the dorsal and ventral lines 3. hradlieims. 



Tentacle in front of and close to the eye, and very slightly 

 below it ; eye more or less distinct ; diameter of body 36 or 

 37 times in total length ; 100-104 circular folds, all complete. 4. luirdyi. 



*1. SiPHOJfOPS ANNULATUS. 



Ocedlia annulata, Mikan, Delect. Flor. Faun. Bras. p. — , pi. — 

 (1820) ; Spix, Serp. Bras. p. 74, pi. xxvi. fig. 1 (1824). 



Siphonops annulaUis, "Wagl. Isis, 1828, p. 740, pi. x. figs. 1, 2 ; 

 Duni. & Bibr. viii. p. 282, pi. Ixxxv. fig. 1 (1841); A. Dum. Mem. 

 Soc. Cherb. ix. 1863, p. 317 ; Peters, Mon. Berl. Ac. 1879, p. 940 ; 

 Bouleng. Cat. p. 102, pi. viii. fig. 4 (1882). 



Siplionops interrupta. Gray, Cat. p. 59 (1850). 



Guianas ; Brazil ; Ecuador ; Peru. 



*2. Siphonops paflensis. 



Siphonops pauletisis, Boettg. Kat. Batr. Senck. Ges. p. 62 (1892). 



S. Paulo, Brazil. 



3. Siphonops beasilibnsis. 



Siphonops hrasHiensis, Liitk. Vid. Meddel. 1851, p. 54 (1852) ; 

 Eeinh. & Liitk. Vid. Meddel. 1861, p. 202; Bouleng. Ann.«fcMag. 

 N. H. (6) viii. 1891, p. 457. 



Bennophis ? 6?-«siKms7's, Peters, Mon. Berl. Ac. 1879, p. 938; 

 Bouleng. Cat. p. 99 (1882). 



Brazil. 



. *4. Siphonops haedti. (Plate XXIV. fig. 3.) 



Siphonops hardi/i, Bouleng. Ann. & Mag. N. H. (6) i. 1888, 

 p. 189, and viii. 1891, p. 457. 



Porto Real, Prov. Ilio Janeiro, Brazil. 



14. Bdellophis, g. n. 



Squamosals separated from the parietals. A single series of 

 teeth in the lower jaw. Tentacle obtusely conical, exsertile, sur- 

 rounded by a circular groove, in front of and below the eye, twice 

 as distant from the nostril as from the eye. Body much flattened. 

 No scales. 



. *1. Bdellophis vittatus, sp. n. (Plate XXIV. fig. 4.) 



Teeth very small. Snout depressed, rounded, strongly projecting ; 

 eye small, distinct, much lower down than the nostril. 125 circular 



