414 



Mr. J. Lycett on Fossil Shells from the 



Genus. 



181. Corbula ... 



179. 

 180. 

 183. 

 183. 

 186. 

 187. 

 188. 

 189. 



190. 

 184. 

 191. 



192. 

 193. 

 194. 

 195. 

 196. 

 197. 

 198. 

 199. 



200. 



201. 

 202. 

 203. 

 215. 

 204. 

 208. 

 205. 

 206. 

 207. 

 209. 

 210. 

 211. 

 212. 

 213. 

 214. 

 216. 



217. 



218. 

 219. 



220. 



221. 



Cypricai'dia 

 Cardium .. 



Species. 



involuta 



Sphaera . . 

 Venus 



Cytherea .. 

 Astarte 



Ptychomya 



Psammobia 

 Mactromya 

 Panopaea? , 

 Tancredia . 



Nucula 

 Ceromya 



Macrodon . 

 Goniomya . 



Arcomya ... 



Myopsis ... 



imbricata 



depressa 



cordiformis 



siliqua 



cordiforme 



laevigatum 



cognatum 



punctato - stria- 

 tum. 



granulatum 



semicostatum .. 

 Madridi 



trapeziformis . . 



curvirostris 



Suevica 



picta 



excavata 



quadrata 



bullata 



Agassizii 



depressa 



sulcato-striata 



Menkei 



detrita 



formosa 



orbicularis . . . 



lyrata 



despecta 



aspera 



ovalis 



laevigatus 



laevigata 



globosa 



delicatissima 

 donaciformis 



sulcata 



variabilis 



concentrica ... 



striata 



Hirsonensis 

 literata 



oblonga 

 punctata 



Authority. 



Goldfuss, striata 

 Buckman. 



new sp , 



Phillips 



Deshayes , 



new sp 



new sp 



new sp 



Phil. Geol. York. . 

 new sp 



new sp 



new sp 



Cardium, D'Arch. ; 

 Cardium incer- 

 tum, Phillips. 



Roemer 



new sp. 

 Goldfuss 



new sp 



Sow. Min. Con. 



new sp 



new sp 



new sp 



Goldfuss 



Roemer 



Unio, Dunker 

 Goldfuss , 



new sp 



Sow. Min. Con. . 



Phillips 



Phillips 



new sp 



Phil. Geol. York. 



new sp 



Phil. Geol. York. 



new sp. 



new sp 



new sp 



Sow. Min. Con. ... 

 Isocardia, Sow. 



Min. Con. 

 Cardita, Sow. Mia. 



Con. 

 CucuUaea, D'Arch. 

 Mva, Sow. Min. 



Con. 

 Sanguinolaria, 



Buckman. 

 Sanguinolaria, 



Buckman. 







-I § 



s 2 



