GRAPTOLITES OF NEV\ VORK, PART 2 517 



Leptograptus flaccidus ^1 ia.ll) van spinifer Elles & Wood mut. trentonensis 



nov. 



Page 26a 



8 Type specimen (holotype). Natural size 



9 Fragment showing great length and width of rhabdosome attained. 



Natural size 



Normanskill shale, Glenmont, N. Y. 



Genus azygograptus Nicholson 

 Azygograptus ? simplex sp. nov. 



Page 258 



10 Group of specimens (cotypes) 



Normanskill shale, Kenwood, N. Y. 



All fiofures are drawn in natural size. The originals are in the 

 New York State Museum (counterparts of figures 2, 4 also in 

 American Museum of Natural History). 



