Cyat. 



168 



Indmx 



narrow ; lamelL'B 120, alternating in length, the longer ones 

 becoming bundles as they near the hottom,— Corniferous lime- 

 stone at Falls of Ohio. — VIII a, 

 Cyathophayllum concentricum. 



(Hall, 35th An. Kt.N. 

 Y. Mils. 1882, page 

 146.) Collett's In- 

 diana Et. 1882, page 

 316, plate 21, fig. 1.— 

 fossette extends from 

 near center to front 

 margin; lamellae 100, 

 of nearly uniform size at margin, alternating below; when 

 skinned the specimen shows internal striae crenulated or united 

 by ^ev^^.Coriiiferous limestone (U. Held.) formation at Falls of 

 the Ohio river. VIII a, 



Cyathophyllum conitum. Europe. See Heliophyllum. 

 corniculum. Villa. 



Cyathophyllum corniculum. A. Winchell's Geological 

 Studies, New York, 1886, page 204, fig. 116.— 

 See Heliophyllum corniculum. VIII a. — 



Prof. Winchell, on page 206 gives a figure 

 (117) of a cross section of a cup, showing the 

 outer wall, the inward converging partitions 

 (septa) ; but it is the cup of Zaphrentis pro- 

 liiiGa ; which see. 



Cyathophyllum depressum. (Hall, 35th An. Et. 1882) 



Collett's Indiana lit. of 1^82, page 298, plate 24, ijg. 3, 4, side 

 and back views of the coral —Corniferous limestone formation, 

 at Falls of the Ohio, Ky. VIII a. 



