﻿402 DESCRIPTIONS OF NEW SPECIES OF 



tooth on the inner lip ; no anterior sinus ; surface smooth or only marked by lines of 

 growth. 



This genus appears to occupy a position between Clavatula and Peeeona. It 

 differs from the former in being smooth, in having no anterior sinus and in the colu- 

 mella; from the latter by its higher spire and different general shape. It resembles 

 more nearly some of the Fasciolaeias in outline. 



L. ceassilabeis. PI. 67, fig. 60. Fusiform ; whorls seven, rounded and slightly 

 truncated above ; apex acuminate ; aperture irregularly oval, with small crenulations 

 on the thickened portion, internally, of the outer lip; suture distinct, with a slightly 

 depressed line on the upper part of the whorl, below the suture. 



Locality. — Eocene, Claiborne, Ala. Collection of the Academy. 



AXIN^A, Poll 



A. inteecostata. PL 68, fig. 2. Orbicular : beaks small, incurved ; surface marked 

 by numerous, compound ribs, composed generally of three, sometimes four, smaller 

 ones and with smaller, transverse markings between these ribs ; area very small, 

 hinge teeth large, lower part of the internal edge crenulated. 



Locality. — Eocene. Alabama. Dr. Spill man. 



PECTEN, Linn. 



P. Spillmani. PI. 68, fig. 3. Equivalve, orbicular; surface marked by about 

 twenty -two radiating ribs, each with one or two very small ones on each side, and 

 with the crests of all minutely granulous; alations ? (both ears are broken in the 

 specimen before me). 



Locality. — Eocene. Alabama. Dr. Spillman. 



GRETA CEOUS. 



I have recognized a number of species of foramenifera, in a marl from near Mullica 

 Hill, N. J., of the same age as the Timber Creek limestone (upper part of No. 5 of Meek 

 and Hayden,) abounding in corals, the most common of which is Escliara digitata. The 

 matrix is fortunately not so hard as that at Timber Creek, and both the corals and 

 foramenifera are much better preserved. I shall not describe any at present, except 

 the beautiful Dentalina, given below. I expect, however, at some not very distant 

 period to characterize them. I have not yet seen Cristellaria rotula, said by Lyell to 

 occur at Timber Creek, although I have examined several hundred specimens. 



DENTALINA, D Orb. 



D. pulchea. PI. 68, figs. 40, 41. Elongated, very slightly arcuate; cells large, 

 more convex towards the large extremity; diameters of cells equal; surface marked 



