Spathiocaris williamsi nov. 

 Page 96 



1 Type specimen. Natural size. 



2 A smaller specimen, x 3, referred here with some doubt. 

 Carboniferous (Waverlyan) : Cleveland shale, Mill creek, New- 

 burg, near Cleveland, Ohio. 



Spathiocaris cushingi nov. 

 Page 96 



3 Large specimen. Paratype. Natural size. 



4 Type specimen, x 3. . 



Carboniferous (Waverlyan) : Cleveland (Olmstead) shale, 

 Cahoon creek, North Dover, Cuyahoga county, Ohio. 



Spathiocaris chagrinensis nov. 

 Page 95 



5 Holotype. Natural size. 



Devonian: Chagrin shale (Chemung), Chippewa creek, Breck- 

 ville, Ohio. 



Spathiocaris lata nov. 



Page 94 



6 Holotype. Natural size. 



Devonian : Chemung beds, Cotton farm near Avoca, Steuben 

 county, N. Y v 



Spathiocaris emersoni Clarke 

 Page 94 



7 Large, laterally compressed specimen, natural size. Outline of 



flat projection of specimen. 



8 Smaller, laterally compressed specimen. Natural size. 

 8a Lateral view of same. 



8b Enlargement of median surface, x 4. 



Devonian: Portage (Naples) beds, Naples, N. Y. 

 The originals of figures 1-5 are in the Museum of Adelbert 

 College (Western Reserve University),' Cleveland, Ohio; 

 those of 6-8 in the New York State Museum. 



