﻿Descriptions of Four New Species of Fossils, Etc. 139 



A vertical section taken from one of the larger conical specimens, near 

 the base margin, shows thin-walled corallites as taking a direct course from 

 the base to the upper, outer surface. The tabulae are clearly denned and 

 closely set throughout. In some cases, the tubes show a series of vesicles 

 attached to one side of the tube and extending only half-way across ; direct 

 tabulae attached to the other side and occupying the other half. In a 

 tangential section the tubes appear circular ; and close to one side of each 

 (inside) is a minute opening, then a dark, curved line from wall to wall 

 enclosing the small opening, and shading off to the opposite side of the 

 interior of the tube, giving the inner space a decided crescentic appearance. 

 Prof. Nicholson, in referring to a similar feature of a different species, says 

 it (the crescentic feature) "is due to the intersection of the peculiar vesi- 

 cular tabulae on one side of the tube." 



The writer is indebted to Prof. J. C. Fales, of Center College, Danville, 

 Kentucky, for the specimens used in this description. Prof. F. writes : 

 "They seem to be quite numerous and in various localities below the Orthis 

 lynx bed ;" which indicates about the horizon of the tops of hills at Cincin- 

 nati, Ohio. 



The name is given in honor of Prof. Fales. 



GENUS STROMATOPORA, De Blainville. 

 Stromatopora tubularis, Sp. nov. 



(Plate VII., figures 3-3!).) 



This fossil is circular in outline transversely, and cylindrical longitudin- 

 ally; composed of a succession of irregular laminae about one-twentieth of 

 an inch, each, in thickness, making up a total of from one-fourth to one- 

 half an inch. Hollow inside (see figure 3). Cut transversely, the laminae 

 are shown as wavy, concentric lines of growth, with thin interspaces and 

 serrate-like edges. Irregularly distributed throughout are small circular 

 spots with dark centers and canal-like grooves, crossing the laminae at 

 different angles. Different specimens, used for this description, vary in 

 diameter from two to two and one-half inches, and in length about one 

 inch. 



The tubular portions are all in part or wholly filled with other substances, 

 broken corals and shells, or clay. The surface markings of all specimens 

 so far examined are quite unsatisfactory, being overgrown, apparently, with 

 some species of Polyzoan, and much weathered and abraded. 



Magnified sections taken from the figured, type, specimen are shown in 

 figure 3a transverse, and 3b longitudinal, across the vertical edges of the 

 laminae. 



Found in the Cincinnati group at different localities and horizons at and 

 near Cincinnati, Ohio. 



