GRAPTOLITES OF NEU' YORK. PART 1 781 



Genus glossograptus Emmons, Lapworth emend. 

 Glossograptus hystrix sp. nov. 



Page 724 



27 Khabdosome. x7 



28-29 Specimens showing the multispinous character of the rhabdosome. x2 

 Graptolite bed 7 of the Deep kill section 



Glossograptus echinatus sp. nov. 



Page 725 



30, 81 Small rhabdosomes showing the distribution of the spines 

 32 Nearl}'- perfect I'habdosome 



Graptolite bed 7 of the Deep kill section 



Genus retiograptus Hall 

 Retiograptus tentaculatus Hall 



Page 733 



83, 84 Rhabdosomes showing the prevalent expression of the form in the Deep 



kill beds. x2 

 35 Specimen showing the extrathecal meshes. x2 

 Graptolite bed 7 of the Deep kill section 



