328 



PEOCEEDIlfGS OF THE GEOLOGICAL SOCIETY. 



Table XIX. (continued). 



Grenera and Species. 



Rhynclionella sphaerica 



sphseroidalis 



Strickland! 



subundata 



tripartita 



upsilon 



Wilsoni 



Siphonotreta Anglica ... . . 



nucula 



Spirifer crispus 



elevatus 



?pisum 



pUcatellus 



trapezoidalis 



Strophomena alternata 



bipartita 



antiquata 



applanata ... 



arenacea 



complanata 



compressa 



concentrica ... 



corrugatat 



deltoidea 



depressa 



euglypha 



expansa , 



filosa , 



funiculata 



grandis 



imbrex 



Ouralensis 



pecten 



sinaulans 



tenuistriata 



undata 



Terebratula? laeviuscida 

 Trematis punctata ... . 



MONOMYARIA. 



Ambonychia acuticosta 



carinata 



gryphus t ...... 



transversa t 



trigonat 



12 3 4 



OQ 



CO 



^ GO 



20 .a 



7 8 9 1011 



^ 



2Q 



O 



Q 





