IV 



Page 



OrtlioceratiteS; J. Bareaxde oil tlie grouping of 13 



Portugal, J. F. N. Delgado on Bone-caves in , . 9 



Eeuss, a. E. On fossil Corals 8 



Mhinoceros from a Bone -cave in the Maritime Alps, E. Lahtet on a 



species of 10 



Rocks, F. Zerkel on vitreous and semivitreous 20 



Silurian Ceplialopods of Bohemia, and on the grouping of Ortho- 



ceratites, J. Baeeaxde on the 13 



Stue, D. On the Coal-plants of Ostowan and Rossitz (Moravia) . . 7 



Tertiary Basin of Vienna, M. Hoexes on the fossil Mollusca of 



the 17 



Ursus from a Bone- cave in the Maritime Alps, E. Laetet on a 



species of 10 



Vienna, M. Hoexes on the fossil MoUusca of the Tertiary Basin 



of 17 



ZiEKEL, F. On vitreous and semivitreous rocks 20 



