752 NEW YORK STATE MUSEUM 



PLATE 3 



Genus DESMOGRAPTus Hopkinsoii 

 Desmograptus intricatus sp. dov. 



Page 611 



1 Fragment of long conical rhabdosome 



2 Nearly perfect rhabdosome showing at the left side a fragment of the 



lower layer of the compressed cone 



3 Fragmentary rhabdosome with very small meshes 



4 Broadly conical rhabdosome 



Graptolite bed 7 of the Deep kill section. Figures 1-4 are incorrectly 

 reproduced. The meshes should be twice as close. {See text figure 80, 82) 



Desmograptus cancellatus Hopkinson 



Pag-e 610 



5 Fragment of rhabdosome with somewhat elongate meshes 



6 Fragment with shorter meshes 



7 Fragment of rhabdosome showing character of proximal and distal 



branches and meshes 



8 Fragment with large and broad meshes 



Graptolite bed 7 of the Deep kill section, Rensselaer co. N. Y. 



Genus dictyonema Hall 



See pi. 1 



Dictyonema rectilineatum sp, nov. 



Page 607 



9 Fragment of rhabdosome 



10 Fragment of a more distal portion of the rhabdosome than shown in the 

 preceding figure 

 Graptolite bed 7 of the Deep kill section 



Dictyonema furciferum sp. nov, 



608 



11 Fragment of rhabdosome 



Graptolite bed 2 of Deep kill section 



