THE HERPETOLOGY OF HISPANIOLA 



345 



Amer. Philos. Soc, vol. 18, p. 273, 1879. — Fischer, Jahrb. Hamburg Wiss. 

 Anst., vol. 5, p. 41, 1888. — Boulenger, Catalogue of the snakes in the 

 British Museum, vol. 2, p. 117, pi. 6, fig. 1, 1894. — Meerwarth, Mitth. 

 Nat. Mus. Hamburg, vol. 18, p. 10, 1901. — Barbour, Mem. Mus. Comp. 

 Zool., vol. 44, No. 2, p. 332, 1914; Zoologica, vol. 11, No. 4, p. Ill, 1930; vol. 

 19, No. 3, p. 139, 1935; BuU. Mus. Comp. Zool., vol. 82, No. 2, p. 162, 1937.— 

 Schmidt, Bull. Amer. Mus. Nat. Hist., vol. 44, art. 2, p. 19, 1921. — Amaral, 

 Mem. Inst. Butantan, vol. 4, p. 163, 1929. — Cochran, Occ. Pap. Boston 

 Soc. Nat. Hist., vol. 8, p. 185, 1934. 

 1862. Hypsirhynchus scalaris Cope, Proc. Acad. Nat. Sci. Philadelphia, 1862, p. 

 72 (type locality, Hayti near Jer^mie). — Carman, Proc. Amer. Philos. Soc, 

 vol. 24, p. 284, 1887.— Barbour and Loveridge, Bull. Mus. Comp. Zool., 

 vol. 69, No. 10, p. 283, 1929. 



Description. — U.S.N.M. No. 10162, from Port-au-Prince, collected 

 by J. J. Brown. Snout rather elongate, the rostral forming an 



Figure 103. — Hypsirhynchus ferox: a. Top of head; b, side of head; c, chin. U.S.N.M. No. 

 10162, from Port-au-Prince, Haiti. One and one-half times natural size. 



acute angle with the top of the snout, the upper portion projecting 

 strongly and slightly turning up. Rostral much broader than deep, 

 only its upper border visible from above; internasals as long as broad, 

 shorter than the prefrontals; frontal as broad as supraocular, its 

 length twice its breadth, a little longer than its distance from the end 

 of the snout, a little shorter than the parietals; loreal longer than 

 deep, rather small; one preocular and two postoculars, the lower the 

 smaller; temporals 1 plus 2; eight supralabials, the third, fourth, and 

 fifth entering the eye; a distinct depression on the side of the head 

 along the upper borders of the supralabials; 10 lower labials, five in 

 contact with the anterior chin shields, which are a little shorter than 

 the posterior. Scales in 19 rows, each scale with a single large pore 

 situated in the dorsal half of the scale near the tip, Ventrals 178; 

 anal divided; subcaudals 86, Head and body, 563 mm. ; tail, 173 mm. 



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