Urasterella lutheri npv. 



Page 47 

 (See pi. 13, figs. 2-6) 



1 Young specimen (paratype). Abactinal view, x 2. 



2 Abactinal view of type specimen (holotype). Natural size. 



3 Abactinal view of another specimen (paratype). Natural size. 



4 Actinal (ventral) view of specimen (paratype). The rays 



appear unnaturally wide because several columns of lateral 

 ambital ossicles have been pressed downward. Natural size. 

 Devonian: Portage beds (West Plill flags), Deyo Basin, near 

 Naples, N. Y. 



Eugasterella bicatenulata nov. 



Page 56 



(See pi. 16, figs. 5-7) 



5 Type specimen (holotype). Actinal view, x 2. 



Devonian: Portage group (Grimes sandstone), near Naples, 



N. Y. 

 The photographs are all made from gutta-percha squeezes, the 



molds of which are in the New York State Museum. 



176 



