281 



Heli. 



"^^a^M 



Heliophyllum sordidum. (Hali, 35th Annual Report of 



the N. Y. State Museum of Natural 

 History, 1882.) Collett's Geological 

 Report of Indiana, 1882, page 311, plate 

 26, figs. 9, 10, side and cup of an im- 

 , ^aBaaBaas-^ cw,«<««fY^ porfoct specimon. — Corniferous lime- 

 "*** T^^'^^/^^^s*^ ^0 ^iQy^Q (Upper Helderberg) formation 

 at the Ohio Falls. Villa, Numerous individuals have been 

 observed, but in all cases the outer skin is gone, and the mar- 

 gins of the calyx broken away ; so that the true form cannot be 

 accurately determined. 

 Heliophyllum tenuimurale. (Hall, 35th An. Report of 



N. Y. State Museum, 

 2 ^ r..^'<^€^iim^.-^<i 1882.) Collett's GeoL 



Report of Indiana, 

 pl882, page 307, plate 

 27, figs. 2, 3, side and 

 cup of the coral. — Cor- 

 niferous limestone (U. 

 Helderberg) forma- 

 tion. Falls of the Ohio. Ylll a. Number of lamellae 90, the 

 alternate larger ones reaching the center. 



Heliophyllum turbinatum. ( Gyathophyllum turhina- 



twn.) Rogers, Geology of 

 Pennsylvania, 1858, page 827, 



fig. 655. Hamilton foimation 



VIII c. This is probably 

 Ileliphyllum Tialli^ which^ 

 see ahove^ page 277. 



{Error on page 66.) 

 The figure under Aulipora 

 tbchceformis is that of Helio- 

 phyllum halli^ to the front ot 

 which clings a portion of the 

 surface of another individual 

 of the same species ; no Au- 

 lopora present. (J. Hall). 



{Asaphus cli7itoni.) See Caly- 



IndJSS'. 



11^653 



lleiaicTypturus Glintoni. 

 mene clintoni. 



