﻿286 
  

  

  GEOLOGY. 
  

  

  first 
  discovered, 
  once 
  had 
  a 
  place 
  here 
  among 
  the 
  ani- 
  

   mals 
  now 
  extinct. 
  

  

  I 
  am 
  indebted 
  to 
  Dr. 
  Leidy 
  for 
  the 
  following 
  list 
  of 
  

   fossil 
  mammalia 
  found 
  in 
  the 
  State 
  : 
  — 
  

  

  Felis 
  atrox, 
  Lekly. 
  

   Ursus 
  Americanus, 
  fossilis. 
  

   Ursus 
  amplidens, 
  Leuly. 
  

   Equus 
  Americanus, 
  Leuly. 
  

   Cervus 
  Virginianus, 
  fossilis. 
  

   Bison 
  latifrons, 
  Leidy. 
  

   Bootherium 
  cavifrons, 
  Leidy. 
  

   Elephus 
  primigenius. 
  

  

  Tapirus 
  Americanus, 
  fossilis. 
  

   Tapirus 
  Haysii, 
  Leidy. 
  

   Megalonyx 
  JefFersonii, 
  Harlan. 
  

   Megalonyx 
  dissimilis, 
  Leidy. 
  

   Mylodon 
  Ilarlanii, 
  Oicen. 
  

   Ereptedon 
  priscus, 
  Leidy, 
  

  

  and 
  the 
  

   Mastodon 
  siiianteus. 
  

  

  The 
  following 
  tables 
  furnish 
  a 
  catalogue 
  of 
  a 
  consider- 
  

   able 
  portion 
  of 
  the 
  Tertiary 
  testacea 
  of 
  the 
  State. 
  Many 
  

   rich 
  fields 
  of 
  these 
  not 
  being 
  yet 
  explored, 
  the 
  newly 
  

   discovered 
  and 
  undescribed 
  species 
  will 
  hereafter 
  be 
  given. 
  

  

  