ON THE REPTILIA OF PERU. ITT 



ASINEA. 



42. EUNECTES MUEINUS, L. 



From the Amazon. 



43. Boa CONSTRICTOR, L. 



From the Solimoens. 



44. XiPHOSOMA HOETULANUM, Lin. 



From Iquitos on the upper Maranon. 



45. Leptognathus catesbyi, Wieg. 



From Eioja, Peru, the Maranon, Iquitos upper Maranon. 



46. Rhinobothryum lentiginosum, Scopoli. 



41. DiPSAS oenohoa, L. 

 Iquitos. 



48. SiBON annulatum, L. 

 From the Solimoens. 



49. Gerrhosteus prosopis, Cope, Proceed. Acad. Philada. 18U, p. Yl. 

 From Nauta, Peru. 



50. SCYTALE CORONATUM, Linn. 



51. OxYRRHOPUS EiTZiNGERii, Tschudi, Fauna Peruana Reptiles, p. 56. 

 Valley of Jequetepeque. 



52. OXYRRHOPTJS PETOLARIUS. Subsp. PETOLARirS, L. 



53. Dryophis argentea, Daud. 



54. Leptophis marginattjs. Cope; Thrasops marginatus, Cope, Proceed. Academy Philada. 



1862, p. 349 ; Ahsetulla nigromarginata, Giinther, Ann. Magazine Nat. History, 1866. 



55. Leptophis ortonii, Cope, sp. nov. 



Scales smooth, in fifteen series. Head rather short, muzzle equal or shorter 

 than width between eyes. No loreal plate ; postnasal about as large as prenasal 

 plate ; preoculars scarcely reaching frontal. Two postoculars. Temporals large, 

 1-2, followed by smaller scales. Superior labials nine, fifth, and sixth only 

 bounding orbit. Seven lower labials in contact with geneials. Tail very long, 

 two-fifths of the total. Gastrosteges not angulate, three times as wide as long. 



M. 



Total length (No. 1) 965 



Length of tail (No. 1) 390 



Total length (No. 2) :950 



Length of tail (No. 2) • • -400 



45 



