GRAPTOLITES OF NEW YORK, PART 2 54. ~ 



CHmacograptus ulrichi sp. nov. 



Page 412 



10 Typical specimen (holotype) 



1 1 Smaller specimen showing- more distinctly the thecae. Incorrectly repro. 



duced [see enl.] 



Maquoketa shale, Spencer, Mo. 



CHmacograptus mississippiens,is sp. nov. 



Page 413 



12 Type (holotype) 



13 Smaller and less favorably preserved specimen. Incorrectly reproduced 



Sylvan shale, Arbuckle mountains, Indian Territory 



CHmacograptus putillus (Hall) 



Page 415 



14 Portion of slab with group showing- the average size and habit of the 



form 



15 Well preserved, relatively large rhabdosome 



Utica shale, Rural cemetery, near Albany, N. Y. 



CHmacograptus putillus mut. eximius nov. 



Page 420 



16 Two characteristic specimens (cotype) 



Normanskill shale, Glenmont and Lansingburg, N. Y. 



CHmacograptus caudatus Lapworth 



Page 438 



17 Large, typical rhabdosome 



Lowest Utica shale, Mechanicville, N. Y. 



18 Young specimen, showing two terminal spines 



Utica* shale, Hudson river between Troy and Greenbush 



CHmacograptus parvus (Hall) 



Page 426 



19-23 Series of specimens showing the common dimensions and different 

 aspects of the rhabdosomes and form of the vesicular inflation of 

 the nemacaulus 

 Normanskill shale, Glenmont, N. Y. 



