314 AMERICAN JOURNAL 



PALJEONTOLOGICAL NOTES. 



BY T. A. CONRAD, 



1. Figure and Reference to FascioJaria suhtenia. 



FASCIOLARIA, Lam. 

 F. SUBTENTA, Conrad. PI. 13, fig. 3. 



Proceed. Acad. Nat. Sciences, 18G4, p. 211. 



2. Synopsis of tlie Eocene species of Catinus. 



CATINUS, Link. 

 C. BiLix. PI. 13, fig. 4, 7. 



Obliquel}'- oval, stria numerous, close, wrinkled ; volutions 4, 

 convex ; spire very small, apex pointed ; aperture effuse, oval, 

 umbilicus small. 



-(7. lilix, Conrad. Amer. Journ. Science, vol. xiii, p. 344, 

 July, 1833. 



Natica striata Lea. Contrib. p. 105, pi. 4, fig. 88. 



Var. declivus, fig. 2. Slightly flattened on the disk towards 

 the ventral margin ; striae very fine, shell rather thick. 



The sculpture varies ; in some specimens the lines are broad 

 and divided by minute lines, in others the lines are fine, unequal 

 or alternated and somewhat waved. This species probably agrees 

 with the subgenus JVatioina, Gray. 



C. ARCTATUS. PI. 13, fig. G. 



Discoidal, thin, flattened anteriorly, volutions 4, sculpture 

 consisting of minute, unequal, much-wrinkled lines ; base flat- 

 tened or slightly concave, umbilicus closed in adult specimens 

 by the reflexed labium ; aperture oval, patulous. 



Sigaretus arctatus, Conrad, Foss. Shells of Tert. p. 45, Aug. 



1833. 

 Locality. Claiborne, Ala. 



