172 Mr. N. Rosen 07i the Snakes in the 



Yellow benoatli, with brown dots, anteriorly dark^ with an 

 indistinct black median line. 



Total length 520 mm. ; tai 120. 



Central America. 



33. Elajioi'des fuscHSy Boie. 

 Nasal entire. 

 Java. 



3-1. Lycodon aiilicus, L. 



35. Lycodon suhcinctas, Boie. 

 Java. 



36. Zainenis korros, Schleg. 

 Java. 



37. Zamenis constrictor, R. 



Eight upper labials, fourth and fifth entering the eye. 

 North America. 



38. Zamenis flagelli for mis ^ Laur. 

 South Carolina. 



39. Zamenis gemonensis, Laur.^ var. asianus. 

 Entirely black. 



40. Zamenis algirus, Jan. 



Algiers. 



41. Zamenis hippocrepis, L. 

 Algiers. 



42. Drymohius bifossalus, Raddi. 



Lorcal longer than deep. Frontal shorter than the 

 parietals. Total length 1720 mm. ; tail 500. 



43. Drymohius Boddaertii, Sentz. 



44. Coluber fascia tus, sp. n. (PI. XI. fig. 2.) 



Rostral broader than deep. Internasals much shorter than 

 the pra-frontals. Pra^frontals large. Frontal once and two 

 thirds as long as broad, much longer than its distance from 

 the end of the snout. Nasal entire. Loreal a little longer 

 than deep. One pra^ocular. Two postoculars. Tem])orals 

 2 + 2. Eight upper labials, third, fourth, and fifth entering 

 the eye. Five lower labials in contact with the anterior 

 chin-shields. Posterior chin-shields in contact anteriorly. 



