120 NEW yOKK 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, 63 



10 The surface of a brachiopod covered with fronds of 



these species, the coarser frond with the larger tubes 

 being Hederella magna and the finer zoarium 

 H. graciliora. 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 



