LI.— Comparative Table op the Graptolites or the Tarannon U 



ISTRICT, SHOWING TI1EIK ( i Eol.oOICAI. lvANGE AND Dls 



[Quart. Journ. Geol. Soc. Vol LXII. Nov. 1906. 

 (The species ai . gecl in thVit order of appearance.) 



' Scriea. Toronnon Sories. Wenlooli 



SluLkdilo Slinks. 



TIIKKN sniTLANI) (Mo].- (AT 



2i 3H Ml. 



Hastrites-SkiUer, 



Cyrtogrnptus. 



L 



