686 



KEPORT OF NATIONAL MUSEUM, 1902. 

 List of specimens of Typhlops lumbricalis. 



U.S. 

 N.M. 

 No. 



25779 



27324 

 27-489 



29198 



29364 

 3090S 



Sex and 

 age. 



Young. . 



Locality. 



Bayamon, Porto 



Rieo. 



do 



Aguadilla, Porto 



Rico. 



Mayaguez, Porto 



Rico. 



do 



Bayamon, Porto 



Rico. 



When col- 

 lected. 



Jan. 15,1899 



July 28,1900 



-, 1901 



Sept. 16, 1901 

 Jan. 14,1899 



By whom collected. 



A. B. Baker. 



A. Stahl 



B. S. Bowdish. 



.do. 



do 



Augustus Busck. 



Scale. 



20 



20 

 20 



22 



20 

 22 



Remarks. 



Specimen figs. 

 141-144, and de- 

 scribed, p. 684. 



TYPHLOPS ROSTELLATUS/* new species. 



Diagnosis. — Snout rounded; nostrils lateral; preocular in contact 

 with third labial only; nasal completely divided in two; two post- 

 oculars; rostral very narrow, one-fifth to one-sixth the width of the 

 head; 18-20 scale row T s. 



Type.— U.S. N.M. No. 25463; Lares, Porto Rico; A. B. Baker, 

 collector. 



Habitat. — Porto Rico, West Indies. 



Description <>f type specimen. — Adult; U.S. N.M. No. 25463; Lares; 

 January 26, 1899. Head blunt, not depressed, snout projecting, 



rounded laterally; nostrils lateral; 

 rostral narrow, about one-sixth the 

 width of the head (1:6.1), not 

 extending as far back as a line 

 between the anterior edge of the 

 eyes; nostril on a suture completely 

 dividing the nasal, the lower ante- 

 rior part in contact with first and 

 second, the upper posterior nasal in 

 contact with second and third; pre- 

 ocular wider than ocular, its anterior angle much produced and rather 

 acute, in contact with third supralabial only; ocular with the anterior 

 border strongly convex, in contact with third and fourth supralabials; 

 supralabials four, the posterior two large and reaching high up on the 

 side; prefrontal, frontal, and interparietal scale-like, subequal; supra- 

 oculars and parietals enlarged, especially the latter; eye distinctly vis- 

 ible; 18 scale rows round the body; about 333 scales on the middle 

 line of the body underneath from chin to vent, and 13 under tail; tail 

 ending in a spine. Color uniform dark brown, slightly paler under- 

 neath; through the dark ground color a distinct blackish network can 



146 

 145 147 



Figs. 14-5-147.— Typhlops rostellatus. 3£ x 

 natural size. 145, top of head; 146, side of 

 head; 147, underside of head. 



« With reference to the narrowness of the rostral shield. 



