212 



NEW YORK STATE MUSEUM 



Fig. 31 A transverse section of the same showing septa and dissepi- 

 ments, and fragmentary edges of tabulae near the center 



Fig. 33 Glisiophyllum oneidaense Billings. A longitudinal 

 section for comparison with fig. 30 



Synaptophyllum, gen. nov. 



Type: Eridopliylhim arundmaceum Billings, Can. jour. 1859. 

 4: 134. Onondaga limestone. 



Examples: Eridophyllum simcoense Billings, Can. jour. 1859. 

 4: 131. 



Eridopliyllum stramineum Billings, Can. jour. 1859. 4:135. 



