ZONE OF HARPOCERAS BIFRONS. 



131 



Ur. Waggen states that the Upper Lias in Franconia closely resembles that of 

 Svvabia/ and that the zone of Posidonomya Bronni is very well developed there. 



Professor Quenstedt" has given a good account of the palceontology of the Lias Epsilon 

 at Boll, and has described in detail Teleosaurus Chapmani, Konig, T. Bollensis, Quenst,, 

 Pelaffosaurus, sp. Plesiosaurus Sueoicus, Ichthyosaurus lonyirostris, Ichthyo, triscissiis, 

 Ichthyo. quadriscissi, Ichthyo. triyonodon, and added the following list of fossils : 



Palceontoloyy of the Lias Upper " Epsilo?i" at Boll, Wiirtlemherg. 



Fishes. 



Hybodus pyramidalis, Arjass. 



— reticulatus, Ag. 

 Acrodus nobilis, A(j. 

 Lepidotus Elvensis, Blainv. 

 Dapedius cselatus, Quenst. 



— punctatus, At/. 



— Leachii, Ar/. 



— pholidotus, Aff. 

 Tetragonolepis semicinctus, Bronn. 



— cinctus, Quenst. 



Ptycholepis Bollensis, Agass. 

 Pholidopborus Germanicus, Quenst. 

 Belonostomus acutus, Agass. 

 Pachycormiis curtus, Ag. 



— macropterus, Ag. 



— Bollensis, Quenst. 

 Thrissops micropodius, Ag. 

 Leptolepis Bronnii, Ag. 

 Lycodus gigas, Quenst. 

 Pacbylepis, sp. 



Cephalopoda. 



Loliginites Schubleri, Quenst. 



— Bollensis, Ziet. 



— simplex, Voltz. 



— coriaceous, Quenst. 



— sagittatus, Milnst. 

 Onychoteuthis conocauda, Quenst. 

 Onychites uncus, Quenst. 



— Tunciuatus, Quenst. 

 Belemnites acuarius, Schluth. 



— tripartitus, ScJdoth. 



Belemnites incurvatus, Ziet. 

 Ammonites Lytbensis, Young Sf Bird. 



— capellinus, Quenst. 



— serpentinus, Reineeke. 



— bifrons, Brug. = Walcotti, Sow. 



— communis, Soiv. 



— crassus, Phill. 



— Bollensis, Quenst. 



— heterophyllus. Sow. 



— cornucopise, Sow. 



— anguinus, Reineeke. 



Chemnitzia repeliana, (VOrh. 

 Natica Pelops, d'Orb. 

 Turbo Sedgwicki, d'Orb. 



Gasteropoda. 



Pleurotomaria subdecorata, Munst. 

 — intermedia, 31unst. 



' Der Jura in Erankeu, Schwaben und der Schweiz,' p. 47, 1864. 

 Der Jura,' p. 210, 1858. 



