120 NEW YORK STATE MUSEUM 



PLATE 9 



Cladopora styphelia sp. nov. 



Page 64 

 Fro. 



1, 2 The exterior of branches of this species 

 Cladopora smicra sp. nov. 



Page 63 



3-5 Branches of this coral, natural size 



6 An enlargement of the exterior. x3 



Vermipora streptocoelia sp. nov. 



Page 63 



7 Portion of the frond showing the character of the tubes 



as they emerge on the surface. x2 



8 The same species with the external silicified layer re- 



moved showing the meandering character of the tubes 

 in the substance of the coral beneath the surface. x2 



Hederella ramea sp. nov. 



Page 62 



9 A characteristic colony showing the diffusely branching 



frond, the whole being attached to a specimen of 

 Leptostrophia oriskania. x3 



Hederella magna sp. nov. and Hederella graciliora sp. nov. 



Page 61, 62 



10 The surface of a brachiopod covered Avith fronds of 

 these species, the coarser frond with the larger tubes 

 being Hederella magna and the finer zoarium 

 H. e; r a c i 1 i o r a . x2 



& - 



Hederella arachnoidea sp. nov. 



Page 61 



11 The internal surface of the glabella of Dalmanites 

 stemmatus covered with the fine fronds of this 

 species. x2 



