21. STBBPIOPHOKTTS. 291 



1. Haldea striatula. 



Coluber striatulus, Linn. S. K i. p. 375 (1766) ; Daud. Rept. vii. 



p. 200 (1803) ; Harlan, Jom-n. Ac. Philad. v. 1827, p. 354, and 



Med. Phys. Res. p. 117 (1835). 

 Calamaria striatula, Schleg. Phys. Serp. ii. p. 43 (1837) ; Hollr. N. 



Am. Serp. iii. p. 123, pi. xxix. (1842). 

 Conocephalus striatulus, Dum. 8^ Bibr. Mem. Ac. Se, xxiii. 1853, 



p. 442, and Brp. G&n. vii. p. 140 (1864) ; Oiinth. Cat. p. 17 (1858) ; 



Jan, Icon. 06n. 12, pi. iii. fig. 1 (1865) ; Bocourt, Miss. 8c. 



Mex., Mept. p. 541, pi. xxxii. fig. 5 (1883) ; Bouleng. Faun. Ind., 



Rept. p. 279 (1890). 

 Haldea striatula, Baird Sf Gir. Oat. N. Am. Rept. p. 122 (1853) ; 



H. Oarm. Bull. Illin. Lah. iii. 1892, p. 306. 

 Falconeria bengalensis, Theob. Cat. Rept. As. Sob. Mus. p. 44 (1868), 



and Cat. Rept. Brit. Ind. p. 145 (1876). 

 Virginia striatula, Garm. N. Am. Rept. p. 97, pi. vii. fig. 2 (1883). 

 PotamopMs striatula, Garm. Bull. Essex Imt. xxiv. 1892, p. 105. 

 ? Potamophis inornatus, Garm. I. e. 



Snout obtusely pointed. Eostral small, nearly as deep as broad ; 

 internasal small, nearly tvrice as broad as long ; frontal about once 

 and a half as long as broad, as long as or a little longer than its 

 distance from the end of the snout ; loreal at least three times as 

 long as deep; one postocular ; temporals 1 + 1 or 1 + 2; five (or 

 four) upper labials, third and fourth (or second and third) entering 

 the eye ; four ]ower labials in contact with the anterior chin- 

 shields, which are much longer than the posterior. Scales keeled, 

 in 17 rows. Ventrals 114-135 ; anal single (rarely divided) ; sub- 

 caudals 36-50, the anterior sometimes single. Brown above, 

 yellowish (salmon-red) inferiorly. 



Total length 250 miUim. ; tail 42. 



Texas, Mississippi Valley and eastwards. 



Or-b. cJ (V. 121, 118 ; Pensacola, Florida. 0. Bollman, Esq. [C.]. 



C. 42, 41). 

 c. $ (V. 128 ; 0. 40). New Orleans. 



21. STREPTOPHOKUS. 



Streptophorus, Bum. %■ Bibr. Mem. Ac. 8c. xxiii. 1853, p. 468, and 



Erp. Gen. vii. p. 514 (1854) ; Giinth. Cat. Col. 8n. p. 16 (1858) ; 



Jan, Arch. Zool. Anat. Phys. ii. 1863, p. 25 ; Bocourt, Miss. 8e. 



Mex., Rept. p. 544 (1883). 

 Ninia, Baird $ Gir. Cat. N. Am. Rept. p. 49 (1853) ; Cope, Proc. 



Ac. Philad. 1860, p. 339; Petei's, 8itzb. Ges. naturf. Fr. 1881, 



p. 49. 



Maxillary teeth small, equal, 15 to 18 ; mandibular teeth equal. 

 Head small, more or less distinct from neck ; eye small, with ver- 

 tically subelliptical pupil ; posterior nasal concave ; no prseocular* ; 

 loreal and usually prsefrontal entering the eye. Body moderate, 



* One or two minute prseoculars are present in a few specimens. 



u2 



