362 BULLETIN 17 7, UNITED STATES NATIONAL MUSEUM 

 LEIMADOPHIS PARVIFRONS PROTENUS (Jan) 



Figures 107, 111, Uog 



?1858. Dromicus lineatus Gunther, Catalogue of colubrine snakes in the collec- 

 tion of the British museum, p. 132 (part?). 



1867. Dromicus protenus Jan, Iconographie generale des ophidiens, livr. 25, pi. 

 3, fig. 2 (type locality, Port-au-Prince, Hayti; type in Hamburg Mus.). 



1869. Dromicus parvifrons Cope, Proc. Amer. Philos. Soc, vol. 11, p. 164 (eastern 

 San Domingo); vol. 18, p. 273, 1879. 



1883. Leptophis frenatus Fischer, Beschreibungen neuer Reptilien, Separate 

 Abdruck aus dem Osterprogramm des akademischen Gymnasiums, Hamburg 

 p. 8, pi. — , figs. 9-11 (type locality said to be Sierra Leone). 



1894. Liophis parvifrons Boulenger, Catalogue of the snakes in the British 

 Museum, vol. 2, p. 141 (part). 



1914. Leimadophis parvifrons Barbour, Mem. Mus. Comp. Zool., vol. 44, pt. 

 2, p. 339 (part) . 



1920. Leimadophis parvifrons protenus Dunn, Proc. New England Zool. Club, 

 vol. 7, p. 38. — Schmidt, BuU. Amer. Mus. Nat. Hist., vol. 44, p. 19, 1921. — 

 Cochran, Proc. U. S. Nat. Mus., vol. 66, art. 6, p. 14, 1924; Proc. Biol. 

 Soc. Washington, vol. 41, p. 54, 1928. 



1930. Dromicus parvifrons protenus 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.— Cochran, Occ. Pap. Boston Soc. Nat. Hist., vol. 8, p. 188, 1934.— 

 Mertens, Senckenbergiana, vol. 20, No. 5, p. 342, 1938; Publ. Inst. Cient. 

 Domfnico-Aleniiin, vol. 1, p. 94, 1939. — Boker, Publ. Inst. Cient. Domlnico- 

 Alemdn, vol. 1, p. 18, 1939. 



a c 



Figure 111. — Leimadophis parvifrons proUnus: a, Top of head; b, side of head; c, chin. 

 U.S.N. M. No. 65789, from Las Canitas, Dominican Republic. One and one-half times 

 natural size. 



Description.— Adult male, U.S.N.M. No. 65789; Las Canitas, 

 Dominican Republic; February 25, 1923; W. L. Abbott, collector. 

 Rostral broader than deep; internasal sutm'e much shorter than the 

 prefrontal suture; frontal longer than its distance from end of snout, 

 shorter than parietals, separated from preocular; supraocular con- 

 siderably narrower than frontal; nasal divided, longer than its distance 

 from eye; loreal small, a little deeper than broad; one preocular; two 

 postoculars, the upper the larger; one anterior temporal followed by 

 two smaller ones; eight upper labials, the second in contact with the 

 posterior nasal and loreal but not reaching the preocular, the third, 

 fourth, and fifth entering the eye; 10 lower labials, five in contact 

 with the anterior chinshields and two with the posterior ones, which 

 are equal in length to the anterior; scales in 19 rows, without pores; 



