Klasmura mirabilis no v. 



Page 64 

 (See plates 21 and 22) 



1 Portion of abactinal (dorsal) view of ray, showing in upper 



part the integument, densely covered with spines and in the 

 lower part the underlying dorsal plates. The lateral spines 

 retain in part the paxillae. x 5. 



2 Another portion of an abactinal side of ray, which also retains 



the integument but only the spine bases, x 5. 

 3, 4 Portions of actinal side of two rays exhibiting the median 

 columns of ventral plates and their relation to the ambulacral 

 plates, x 5. 



5 Separate lateral spines showing the shape of their bases, x 5. 



6 A lateral spine still further enlarged to show the paxillae upon 



its base. 



7 Mold of lateral margin of ray, showing the bundles of paxillae 



upon the bases of the lateral spines and the wedge-shaped form 

 of the paxillae upon the ends of the lateral spines, x 5. 

 7a A lateral spine still further enlarged. 



Devonian: Portage group, West Hill flags of Naples beds, 

 Deyo Basin, near Naples, N. Y. 



Klasmura clavigera now 

 Page 66 



8 Small portion of paratype, showing the character of the ambu- 



lacral ossicles, of the adambulacrals or side plates and the 

 outlines of the podial depressions, x 5. 



9 View of holotype, x 5. Actinal side of a part of a ray. 

 Devonian: Portage group, West Hill flags of Naples beds, 



Deyo Basin, near Naples, N. Y. 

 All figures are taken from gutta-percha squeezes. The originals 

 are in the New York State Museum. 



194 



