THE HERPETOLOGY OF HISPANIOLA 367 



LEIMADOPHIS PARVIFRONS TORTUGANUS Dunn 



Figures 107, 113, 1156 



1920. Leimadophis tortuganus Dunn, Proc. New England Zool. Club, vol. 7, p. 4U. — 

 Cochran, Proc. U. S. Nat. Mus., vol. 66, art. 6, p. 15, 1924. 



1929. Leimadophis parvifrons Amaral, Mem. Inst. Butantan, vol. 4, p. 167. 



1930. Dromicus tortuganus Barbour, Zoologica, vol. 11, No. 4, p. 114; vol. 19, 

 No. 3, p. 139, 1935; Bull. Mus. Comp. Zool., vol. 82, No. 2, p. 161, 1937. 



1934. Dromicus parvifrons tortuganus Cochran, Occ. Pap. Boston Soc. Nat. 

 Hist., vol. 8, p. 188. 



Description.— Adult female; U.S.N.M. No. 59921; Tortue Island; 

 June 21, 1917; W. L. Abbott, collector. Rostral broader than high, 

 visible from above; internasal suture a little shorter than prefrontal 

 suture; frontal considerably longer than its distance from end of 

 snout, a little shorter than the parietals, separated from the preocular; 

 supraocular slightly narrower than frontal; nasal divided, longer than 



a c 



Figure 113. — Leimadophis parvifrons tortuganus: a, Top of head; b, side of head; c, chin. 

 U.S.N.M. No. 59921, from lie Tortue, Haiti. One and one-half times natural size. 



its distance from the eye; loreal small, a little higher than broad; one 

 large preocular and two postoculars, the upper the larger; one large 

 anterior temporal followed by two smaller ones; eight upper labials, 

 the second in contact with posterior nasal, with loreal and barely with 

 preocular; the third labial very narrowly and the fourth and fifth 

 labials broadly in contact with the eye; ten lower labials, five in con- 

 tact with the anterior chin shields and two in contact with the posterior 

 chin shields, which are much longer than the anterior ones; scales 

 smooth, without pores, in 19 rows; ventrals 168; anal divided; caudals 

 122 (tail defective). Head and body, 433 mm.; tail, 268 mm. + tip. 



Color (in alcohol): Top of head and back dark olive-brown, be- 

 coming lighter and bluish on the sides; a light streak beginning at 

 the nostrils and leading back on the supraoculars and through the 

 temporals and continuing along the body on the upper half of the 

 sixth and lower half of the seventh scale rows; a black streak from 

 the end of the snout through the eye and continuing on lower half of 

 scale row 6 the entire length of the body; the anterior ends of the 

 scales in rows 3, 4, and 5 also black on neck and anterior third of 



