63 



Aula 



Aulacophyllum pinnatum. (Hall. 35tli An. Et., 18^2 

 VlH<x. , ..<^^^\lirlljrT> //I Fossil Corals, Niag. and 



V. Held.) Collett's 



Indiana of 1882, page 



284, plate 18, fig. 1, 



V^^^^^lf^J^^r^T side vein of imperfect 



_ ^ specimen ; and plate 



/aS2.!^^^^^ 22, 5g. 10.— nil a. 



/. /(f . C^^J^^P'"^ Corniferous limestone. 



Aulacophyllum poculum. (Hall's 35th* An. Et., 1882. 



Vlll.a 



Fossil Corals of Niag. and Y. 

 Held ) Collett's Indiana of 

 1882, page 283, plate 18, fig. 2, 

 side view of upper part of 

 specimen ; fig. 3, the cup; fig. 

 _^ ^ 4, outline curve of the inside 



''ii^ '""/-• Z^-, surface of 1 he cup.— VIII a, 

 Aulacophyllum prseciptum. (HalPs 35th An. Et. 1882) 



Vlft^t. (; <:^ 7 Collett's Indiana of 



"" ' ' ^ ' 1882, page 280, plate 



16, fig. 6, side view; 

 Hg 1^ cup — VIII a J 

 Corniferous 1 i m e- 

 stone; Falls of the 

 Ohio. This species 

 has 120 nearly uni- 



Ni^mvrLLLwtf^i^ .//A/// '//iiiv-wwwvv^x f^rm lamella3, and 2 



Jud '^^^^f lSSzWM'm]^^^PJ,f^ cross grooves. 



Aulacophyllum. pra^eritorm.e. (HaiFs 35th Et. 1882) 



i 



