252 SQUAMATA. 



41088. A slab and counterpart of lignite, showing a considerable 

 portion of the skeleton of what may be a small individual 

 of this species. Purchased, 1868. 



Elaphis oweni (Meyer 1 ). 



Syn. Coluber oweni, Meyer 2 . 



According to Kochebrune, distinguished from the preceding by 

 the acuteness of the upper part of the costal articulations of the ver- 

 tebrae, and their taller neural spines. 



Hab. Europe (Switzerland). 



42734. Slab of stone containing a small part of the vertebral 

 column and the impression of a larger portion ; from the 

 Upper Miocene of (Eningen, Switzerland. Closely re- 

 sembles the type specimen figured by von Meyer. 



Van Breda Collection. Purchased, 1871. 



Genus PERIOPS, Wagler 3 . 

 Periops gervaisi (Pomel 4 ). 



Syn. Coluber gervaisi, Pomel 5 . 



Eeferred to this genus by Eochebrune in the ' Nouv. Archiv. d. 

 Museum,' ser. 2, vol. iii. p. 283, by whom it is stated to be closely 

 allied to the existing P. parallelus of Egypt. 



Hab. Europe (Erance). 



26660. Numerous vertebrae ; from the Pleistocene breccia of Coudes, 

 near Issoire (Puy-de-D6me), Erance. 



Pomel Collection. Purchased. 1851. 



Family PYTHONID.E. 



Large land-snakes, with teeth in the premaxillae. Vertebrae with 

 neural spines of moderate height, and a backwardly projecting pro- 

 cess at the summit. Costal articulations placed high up on the 

 centrum, and the zygapophyses widely expanded and reaching far 



1 Fauna der Vorwelt— Saugeth. etc. aus d. Mol. von (Eningen, p. 48 (1845). 

 — Coluber. 2 £oc. c fo % 



3 Syst. Amphib. p. 189 (1830). 



4 Catalogue Methodique, p. 128 (1853).— Coluber. 5 hoc. cit. 



