342 BULLETIN 17 7, UNITED STATES NATIONAL MUSEUM 



p. 116, 1894. — Meerwarth, Mitth. Naturh. Mus. Hamburg, vol. 18, pt. 2, p. 

 10, 1901.— Barbour, Mem. Mus. Comp. Zool., vol. 44, art. 2, p. 332, 1914; 

 Zoologica, vol. 11, No. 4, p. 110, 1930; vol. 19, No. 3, p. 134, 1935; Bull. Mus. 

 Comp. Zool., vol. 82, No. 2, p. 155, 1937.— Dunn, Proc. New England Zool. 

 Club, vol. 7, pp. 42, 44, 1920. — Schmidt, Bull. Amer. Mus. Nat. Hist., vol. 44, 

 p. 19, 1921.— Noble, Nat. Hist., vol. 23, No. 2, p. Ill, 1923.— Cochran, 

 Proc. U. S. Nat. Mus., vol. 66, art. 6, p. 13, 1924; Proc. Biol. Soc. Washing- 

 ton, vol. 41, p. 54, 1928; Occ. Pap. Boston Soc. Nat. Hist., vol. 8, p. 185, 

 1934. — Amaral, Mem. Inst. Butantan, vol. 4, p. 163, 1929. 



1858. Ahaetulla oxyrhyncha Gunther, Catalogue of colubrine snakes in the 

 collection of the British Museum, p. 154. 



1879. Leptophis oxyrhynchus Cope, Proc. Amer. Philos. Soc, vol. 18, p. 273. 



This beautiful snake is now the most abundant on Hispaniola. It 

 is a tree dweller and therefore escapes oftener from the voracious 

 mongoose than do the other serpents that spend their lives on the 

 ground. 



Description. — U.S.N. M. No. 63596; adult female; Laguna, Domini- 

 can Republic; December 21, 1920; W. L. Abbott, collector. Rostral 



Figure 102. — Uromacer oxyrhynchus: a, Top of head; b, side of head; c, chin. U.S.N.M. 

 No. 63596, from Laguna, Dominican Republic. Twice natural size. 



considerably higher than broad, scarcely visible from above because 

 of the sharp projection of the snout; internasal suture shorter than the 

 prefrontal suture ; frontal three-fourths as long as its distance from the 

 rostral, shorter than the parietals, separated from the preocular; 

 supraocular about as wide as the frontal; diameter of eye one-third 

 the length of the snout; loreal small, broader than high; one large pre- 

 ocular; two postoculars, the upper larger; temporals 1+2; 8 supra- 

 labials, the second very long and in contact with the nasal, prefrontal, 

 and loreal; the third, fourth, and fifth supralabials entering the eye; 11 

 lower labials, the first in contact with its fellow behind the symphysial; 

 the first pair of chin shields shorter than the second pair; scales smooth, 

 without pits, in 19 rows decreasing to 13 at the beginning of the tail; 

 ventrals 198, anal divided; subcaudals 192. Head and body, 690 mm. ; 

 tail, 530 mm. 



