THE HERPETOLOGY OF HISPANIOLA 



221 



overlap; a single small scale between the anterior can thus and the 

 nasal ; six enlarged supraoculars separated from the superciliaries by a 

 single row of small scales except anteriorly where one or two extra 

 scales are intercalated; three pairs of enlarged scales between the 

 supraorbital rings, the anterior pair much larger than the others; 

 occipital small and separated from the two posterior pairs of these 

 enlarged interorbital scales by a row of three small scales; a pair of 



Figure 66. — Tops of heads of Leiocephalus and Hispaniolus: a, L. personatus altavelensis, 

 A.M.N.H. No. 51069, paratype, from Alta Vela Island, Dominican Republic; b, L. p. 

 vinculum, M.C.Z. No. 25435, type, from Point-a-Raquettes, Gonave Island, Haiti; c, L. p. 

 louisae, M.C.Z. No. 37551, type, from Saona Island, Dominican Republic; d, L. p. 

 beatanus, U.S.N.M. No. 86864, from Beata Island, Dominican Republic; e, Hispaniolus 

 pratensis, U.S.N.M. No. 69189, type, from San Michel du Nord, Haiti. Twice natural size. 

 (See also fig. 65, p. 206.) 



elongate parietals on either side, the median pair making broad con- 

 tact behind the occipital ; four or five scales, half the size of the occipital 

 or less, between the lateral pair of parietals and the small temporal 

 scales. Four upper labials and four and a half lower labials to a 

 point below the center of the eye; temporal scales increasing gradually 

 in size, the last one, just above and in front of the ear, the largest 

 and most conspicuous; anterior border of the ear opening with three 

 or four coarse projecting scales. Dorsal scales large, imbricate, 



