‘GRAPTOLITES. 9g 
In Graptolithus Loganit we have numerous simple ‘stipes united in a 
central disc or cup; while in some specimens otherwise precisely similar, 
we have no remains of the disc. © In all these species the parts are disposed 
in a symmetrical and bilateral arrangement. 
Figs. 5 and 6. 
-GRraPtoLitaus Locant. 
The stipes of this species do not bifurcate beyond the disc, and there 
