156 NEW YORK STATE MUSEUM 



BRYOZOA 

 HEDERELLA Hall 



Hederella canadensis (Nicholson) 

 Pal. N. Y. 6:277, pi. 65 



A single zoarium, 7 mm long, was found in bed VII. It is 

 attached to a fragment of Orthoceras, prabably O. m a r - 



c e 1 1 e n <s e . 



Hederella cirrhosa Hall 



Pal. N. Y. 6:277, pi. 65, fig. 12, 13 



Found on the surface of Nephriticeras bucinum, 



branching loosely over an area of about 1 square inch. 



reptaria Rolle 

 Reptaria stolonifera Rolle 



Pal. N. Y. 6:274, pi. 65 



A large zoarium branching profusely over the surface of an 

 Orthoceras eriense was found in bed VII. Only small 

 fragments were found in bed III. 



fistulipora McCoy 

 Fistulipora? sp. 



On the surface of bed V were found Bryozoa, probably of this 

 genus, showing the circular shell apertures and the mesopores. 

 It resembles Fistulipora? unilinea, but the specimen 

 is too imperfect to be f ully identified. 



TREMATOPORA Hall 



Trematopora (Orthopora) tortalinea Hall 



Pal. N. Y. 6:180, pi. 56, fig. 9 



Small fragments of this species were found on the weathered 



surfaces of bed VI. 

 & stictopora Hall 



Stictopora sp. 



Fragments of a zoarium referable to this genus were found on 

 the weathered surfaces of bed V. The longitudinal rows of cell 

 apertures with intervening ridges, and the mode of branching 

 are shown,, but the specimen is too poorly preserved to be identi- 

 fied with certainty. 



