126 COLUBRID-E. 



a, b. 2 (V. 211 ; C. 120) & yg. Hayti. Ilr. Rolle [C.]. 



(V. 213; C. 118). 

 e. $ , head imperfect (V. 214 ; C. ?). ? Zoological Soc. 



9. Dromicus exiguus. 



Dromicus exiguns, Cope, Proc. Ac. Philad. 1862, p. 79 ; Gavin. Proc. 

 Am. Philos. Soc. xxiv. 1887, p. 282. 



Eye moderate ; snout prominent. Eostral nearly twice as broad 

 as deep, scarcely visible from above ; frontal once and two thirds as 

 long as broad, longer than its distance from the end of the snout, 

 shorter than the parietals ; loreal very small ; one prie- and two 

 postoculars ; eight upper labials, third, fourth, and fifth entering 

 the eye ; anterior chin-shields shorter than the posterior. Scales in 

 19 rows. Ventrals 137-140 ; anal divided ; subcaudals 80-83. 

 Above light brown or yellowish, densely punctulated with darker ; 

 the median dorsal region of a deeper shade ; distant dark brown 

 dots sometimes forming two parallel series along the back ; a dark 

 brown stripe along the fourth row of scales nearly to the end of the 

 tail, continuous with a head-band which passes through the eye ; 

 beneath yellowish, dotted with brown, especially towards the ex- 

 tremities of the ventrals. 



Total length 433 millini. ; tail 132 {Cojie). 



West Indies (St. Thomas, St. John), 



a. Yg. (V. 128 ; C. 83). St. Thomas. H.M.S. ' Challenger.' 



75. LIOPHIS. 



Liophis, part., Wagl. Syst. Amph. p. 187 (1830) ; Dinn. 8,- Bihr. Erp. 



Gen. vii. p. 697 (1854) ; G'dnth. Cat. Col. Sn. p. 42 (18-58) ; Jan, 



Arch. Zool. Anat. Phys. ii. 1863, p. 287 ; Cope, Proc. Ac. Philad. 



1862, p. 76. 

 Coronella, part., Schley. Phys. Serp. ii. p. 50 (1837j. 

 Xenodon, part., Schley. I. c. p. 80 ; Dufn. ^- Bibr. t. c. p. 753 ; G'dnth. 



I. c. p. 53. 

 Herpetodryas, part., Schler/. I. c. p. 173. 

 Dromious, part., Bibr. in P. de la Sarjra, Hist. Cuba, Erp. p. 221 



(1843) ; Bum. ^ Bibr. vii. p. 646 ; Gimth. I. c. p. 126 ; Cope, Proc. 



Ac. Philad. 1862, p. 76 ; Jan, Elenco sist. OJid. p. 66 (1863). 



rig. 12. 



Maxillary and mandible oi Liophis pmcilogyriis. 

 Maxillary teeth 14 to 24, followed, after a considerable interspace, 



