GRAPTOLITES OF NEW YORK, PART 1 



761 



Fragment of mature rhabdosome showing the length attained by the 

 branches 

 1;» Principal stem with branches, enlarged to show the composition of the 



stem internodes of one theca each. x2 

 20 Restoration of a mature rhabdosome in undistorted condition 

 Graptolite bed 3 of the Deep kill section 



