ZONE OF ARIETITES BUCKLANDI. 



4a 



Cliiinnitzia Collenoti, Terq. ^ Piet. 



— unicingnlata, Terq. 

 Cerithium gratum, Terq. 



— Semele, d'Orb, 

 Turritella Zenkeni, Bunk. 



Ostrea semiplicata, Milnst. 

 Pecten calvus, Goldf. 



— textorius, Scholth. 



— Thiollieri, Mart. 



— punctatissiraiis, Quensf. 



— lunularis, Roemer. 



— Lohbergensis, Emmerich. 

 Lima Hettangiensis, Terq. 



— gigantea, S020. 



— succincta, Schloth. 



— pectinoides. Sow. 

 Limea BlaUeana, Tafe. 

 Monotis papyria, Quenst. 



— insequivalvis, Sow. 

 Gervillia Hagenovii, Dunk. 

 Perna infraliassica, Quenst. 

 Pinna liartmanni, Ztet. 

 Inoceramus pinnteformis, Dunk. 

 Macrodon pullus, Terq 



■ — naviculus, Terq. Sf Piet. 

 — Hettangiensis, Terq. 

 Leda Galathea, d'Orb. 



— Renevieri, Opji. 



— texturata, Terq. ^ Piet. 



— subovalis, Goldf. 



Spiriferina Walcotti, Sow. 

 Rhynchonella plicatissima, Quenst. 



Ditrypa globiceps, Quenst. 



— capitata, Phil. 



— quinquesulcata, Milnst. 



Ophiura, sp. 



Cidaris Edwardsii, Wright. 



Himipedina Tomesii, Wr. 



Turritella regularis, Terq. ^ Piet. 



— Dunkeri, Terq, 

 Discohelix Oppeli, Mart. 



— striata, Piette. 

 Natica purpuroidea, Tate. 



Lamellibranchiata. 



Nucula navis, Piette. 

 Modiola Hillana, Sow. 



— laevis. Sow. 



— bifasciata, Tate. 

 Protocardia Philippiana, Dunk. 

 Cardita Heberti, Terq. 

 Cardinia crassiiiscula, Sow. 



— concinna, Sow. 



— Listeri, Sow. 

 Astarte obsoleta, Dunk. 



— cingulata, Terq. 

 Tancredia ovata, Chap. iJJ- Dewalq. 



— apicistria, Rolle. 

 Liicina limbata, Terq. ^~ Piet. 

 Hippopodium ponderosum. Sow. 

 Myoconcha, psilonoti, Quenst. 

 Unicardium cardioides, Phil. 

 Gresslya Galathea, At/ass. 

 Pleuromya liasina, Schliib. 



— crassa, Agass. 



— Dunkeri, Terq. 

 Pholadoraya glabra, Agass. 

 Homomya ventricosa, Agass. 

 Goniomya heteropleura, Agass. 



Brachiopoda. 



I Discina Holdeni, Tate. 



Annelida. 



Serpula limax, Gold/. 



— deflexa, Phil. 

 Galeolaria socialis, Goldf. 



BCHINODERMATA. 



Pentacrinus basaltiformis, Mill. 



— tuberculatus, Mill. 

 Holotburia spines ? 



Anthozoa. 



I Montlivaltia Guettardi, Blainv. 



Septastraea Murchisonse, Wr. 



Montlivaltia Haimei, Chap. I 



Forei(/n Correlations. — Leopold von Buch ^ long ago remarked that " the Ammonites 



1 'Die Amnioniten,' Akademie der Wissenschaften, Phys. Abhandl., p. 142, 1830. 



