NIAGARA FALLS AND VICINITY 



147 



bifurcating; closely arranged corallites, gradually enlarging toward 

 the surface of the branches. Calyxes in alternating series each mar- 

 gined on the lower side by a projecting circular lip. 



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Fig. 43 Cladopora seriata with enlargement of a single 

 branch showing the calyxes, and a section of same showing 

 position of corallites 



Found in the lower part of the Lockport limestone at Lockport 

 (Hall), and in the Bryozoan bed of the Rochester shale at Niagara. 



Cladopora multipora Hall (Fig. 44) (1852. PaL N. Y. 2:140, 



Pl- 39) 



Distinguishing characters. Ra- 

 mose or irregularly reticulate 

 form, with the branches often 

 extending beyond the last point 

 of junction and ending in terete 

 extremities ; numerous closely ar- 



Fig. 44 Cladopora multipora, with enlargements j-o-np-ed COrallitPS W^hich are 



slightly oblique to the axis; calyxes subangular or circular, from 48 

 to 60 in the space of an inch. 



Found in the lower part of the Lockport limestone at Lockport 

 (Hall). Probably occurs also at Niagara. 



Genus striatopora Hall 



[Ety. : striatus, striated; porus, pore] 



(1852. PaL N. Y. 2:156) 



Corallum dendroid, forming simple dividing, cylindric stems. 

 Corallites essentially polygonal, diverging from an imaginary central 

 axis^ their walls greatly thickened by a secondary deposit of cal- 



