GRAPTOLITES OF NEW YORK, PART 2 511 



Genus protovirgularia McCoy (?) 



6V<r plate 10 



Protovirgularia dichotoma McCoy (?) 



See plate 10, figure 9 

 Page 243 



8, 9 Enlargements (x 5) of the two specimens of this form, observed in 

 the Normanskill shale of Stockport, N. Y. to show the shape of the 

 appendages 

 The originals of figures 1-4, 6, 7 are in the Ulrich collection ; that 



of figure 5 is in the New York State Museum ; those of figures 



8, 9 are in the National Museum. 



