IV 



Page 



(Eningen, Prof. Heer on Fossil Insects from 60 



PoMEL, M. On the Palaeontology of Auvergne 61 



Pterodactylus Gemmingi, M. H. Von Meyer on 72 



Rucu-Pichincha, MM. Wisse and Moreno on the volcano of ...... 23 



S A VI, Prof. On the geology of the Monti Pisani 1 



Sweden, Baron Berzelius on the polished rocks of 76 



TcHiHATCHEFF, Baron Von, on the geology of Asia Minor 74 



Trilobites of Bohemia, M. Barrande on the 29 



VoLBORTH, Dr. On the Arms of Cystidea 16 



Walchner, M. On distribution of copper and arsenic 26 



Wisse, M., and M. G. Moreno. On the volcano of Rucu- 



Pichincha 23 



