780 NEW YORK STATE MUSEUM 



Grenus climacograptus Hall 

 Climacograptus pungens sp. nov. 



Page 730 



14 Rhabdosome (x4) showing typical climacograptid aspect and the apertural 



spines of the thecae 



15 Relatively long specimen 



16 Specimen of average size 



17 Rhabdosome showing long filiform processes of the sicular end 



Originals of figures 14 to 17 from Ash hill quarry, Mt Moreno, 

 Columbia co. N. Y. 



18 Specimen with the distinct thecal form of a Climacograptus. x2 



Graptolite bed 7 of the Deep kill section 



19 Rhabdosome with a different aspect of the thecae. x5 



Ash hill quarry, Mt Moreno, Columbia co. N. Y. 



20 Rhabdosome with long, stout sicular spines. x7 



Graptolite bed 7 of the Deep kill section 



Climacograptus? (Cryptograptus) antennarius Hall 



Page 731 



21-23 Frontal views of rhabdosomes showing the long nemacaulus and long 

 spines of the sicular end 



24 Specimen showing the form of the thecae in the antisicular portion 



25 Rhabdosomes showing the thecal aperture and character of the sicular 



end. x2 



26 Rhabdosome showing apertural spines 



Graptolite bed 7 of the Deep kill section 



