168 



Libellula Brodiei, Buck, 



Insecta. 



Agrion Buckmam, Brod. 



Cephalopoda. 



Belemnites tripartus, Sow. 



II acuarius, ScMoth. 



II compressus, Voltz. 



Nautilus latidorsatus, d'Orb. 

 Ammonites communis, Soiv. 



II serpentinus, Reinecke. 



II bifrons, Briuj. 



Ammonites annulatus, Sow. 



II falcifer, Soiv. 



II Lytbensis, Young & Bird. 



I' Eaquinianus, d'Ori. 



II cornucopia, Toung <& Bird. 



II heteropliyllus, Sow. 



Belemnosepia, ink-bag and osselets. 



Tiu-bo capitaneus, Miinster. 

 Trocbus bisertus, Phil. 

 Rostellaria, Sp. 



Astarte lurida, Sow. 

 Posidonomya Bronni, Voltz. 

 Nucula Hausmanni, Roem. 



II ovum, Soiu. 

 Lima, Sp. 

 Tancredia laviuscula. Lye. 



Gasteropoda. 



Pleiu-otomaria, subdecorata, Miinster. 



Ceritbium. 



Trocbus, Sp. 



CONCHIFEKA. 



Placunopsis sparsicostatus, Lye. 

 Inoceramus dubius. Sow. 

 Monotis substriata, Goldf. 

 Area incequivalvis, Goldf. 

 Cucullaea Miinsteri, Ziet. 



Beachiopoda. 



Leptsena Moorei, Dav. 



II liasina, Bouch. 



II granulosa, Dav. 

 Tbecidium rusticum, Moore. 



II Boucbardii, Dav. 



Lineida Beanii, Pldl. 



Spirifer Ilminsterensis, Dav. 



I' Munsteri, Dav. 

 Rbyncbonella pygmcea, Mor. 

 Terbratula globulina, Dav. 

 II Lycetti, Dav. 



EcHINODEEMATA. 



Pentacrinus, Sp. 



Acrosalenia ciinifera, Quensf. 

 Pseudodiadema Moorei, Wright 



II. — The zone of Ammonites Jurensis is well exposed in a few 

 localities in Gloneestershire, as in the fine section at Frocester 

 Hill, and iii small exposures near JSTailsworth. and Brimscombe. 

 It is seen likewise in Somerset and Dorset, and at Blue Wick, 

 near Eobin Hood's Bay, on tlie coast of Yorkshire. In all 



