1. PHYLLODACTYLUS 55 



2. Phyllodactylus unctus (Cope) 

 San Lucan Gecko 



Diflodactylus unctus Cope, Proc. Acad. Nat. Sci. Phila., 1863, p. 102 

 (type localit}-, Cape St. Lucas) ; Cope, Proc. Acad. Nat. Sci. Phila., 

 1866, p. 312; Cope, Bull. U. S. Nat. Mus., No. I, 1875, pp. 50, 

 93; Streets, Bull. U. S. Nat. Mus., No. 7, 1877, p. 35; Yarrow, 

 Bull. U. S. Nat. Mus., No. 24", 1883, p. 73; Garman, Bull. Essex 

 Inst., Vol. XVI, No. 1, 188+, p. 12; Belding, West Amer. Scientist, 

 Vol. Ill, No. 2+, 1887, p. 98. 



Phyllodactylus unctus Bocourt, Miss. Sci. au Mex., Reptiles, 2e livr., 

 1873, p. 43; Boulenger, Cat. Lizards Brit. Mus., Vol. I, 1885, 

 p. 94; Cope, Bull. U. S. Nat. Mus., No. 32, 1887, p. 28; Towns- 

 end, Proc. U. S. Nat. Mus., Vol. 13, 1890, p. 144-; Van Denburgh, 

 Proc. Cal. Acad. Sci., Ser. 2, Vol. 5, 1895, p. 86; Cope, Report 

 U.S.Nat. Mus. for 1898, 1900,p.460,fig. 84; DiTMARs,Reptile Book, 

 1907, p. 99; Stejneger & Barbour, Check List N. Amer. Amph. 

 Rept., 1917, p. 42; Van Denburgh & Slevin, Proc. Cal. Acad. 

 Sci., Ser. 4, Vol. XI, No 4, 1921, pp. 50, 55; Nelson, Mem. Nat. 

 Acad. Sci., Vol. XVI, 1921, pp. 114, 115, 123; Terron, Mem. y 

 Rev. Soc. Cient. Antonio Alzate, Vol. 39, 1921, p. 164. 



Description. — Head much longer than broad. Snout 

 rounded, longer than distance between eye and ear opening. 

 Lips very prominent. Ear opening a narrow slit, about 

 length of pupil, with a slight denticulation posteriorly. Scales 

 on eyelids forming a rather conspicuous comb. Digits 

 slender, covered below with a series of transverse lamella;, 

 terminated by two large plates which are somewhat rounded, 

 and wider distally than proximally. Nostril between rostral, 

 first labial, and three nasals, the upper of which is in contact 

 with its fellow of the opposite side. Seven upper and six 

 lower labials, the last of each, under the pupil, very small. 

 Two plates behind the large pentagonal mental, followed by 

 several about the size of the dorsals, which in turn are gradu- 

 ally replaced by the small flat gulars. Back and limbs cov- 

 ered with smooth, flat, rounded, equal-sized scales, without 



