NIAGARA FALLS AND VICINITY 1 47 



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. 



t 



u 



^ * / M 3 ■ . ,. It ,4 



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, 



Pi- 39) 



Distinguishing characters. Ra- 



i-'vY mose or irregularly reticulate 



\ 



v - V*-' .. ' )M form, with the branches often 

 c 



extending beyond the last point 



'--'' ' t *' of junction and ending in terete 



extremities; numerous closely ar- 



Pig. ii Cladopora multipora, with enlargements i-ot-irrprl corallites which 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 

 (Hallj. 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- 



