THE NAUTILUS. 



Polygyra postelliana Bland. 

 Polygyra pustuloides Bland. 

 Euglandina truncata Gmel. 

 Circinaria concava Say. 

 Gastrodonta cerinoidea Antb. 

 Zonitoides arborea Say. 

 Zonitoides minuscula Binn. 

 Vitrea indentata Say. 

 Helicodiscus parallelus Say. 

 Euconulus chersinus Say. 

 Bifidaria contracta Say. 

 Bifidaria procera Gld. 

 Succinea campestris unicolor Tryon. 

 Succinea aurea Lea. 

 Planorbis parvus Say. 

 Planorbis tumidus Pfr. 

 Physa cubensis Pfr. 

 Physa heterostropha Say. 

 Lymnaea columella Say. 

 Sphaerium partumeium Say. 

 Pisidium sp. 



SOME NEW EOCENE FOSSILS FEOM ALABAMA. 



BY T. H. ALDRICH. 



The shells described below are all in the cabinet of the writer, and 

 are believed to be new. They are mostly small species or elie very 

 rare, and represented by very few or single specimens. 



TEREBRATULINA BRDNDIDGENSIS n. sp. PI. I, figs. 1, 2, 3. 



Shell medium, narrower than high, radial threads very strong in 

 the young shell becoming finer in the older, and in the oldest forms 

 appearing as very fine lines only. A central, raised rib doubled shows 

 on the ventral valve, replaced with a depression between two ribs on 

 dorsal valve ; foramen oblong. Longest diameter 14 mm., width 

 11 mm. Smallest form figured is 9^ mm. and 7 mm. 



Locality : Eocene of Brundidge, Ala. 



Remarks: This species occurs in a stratum of white limestone 

 which was exposed in a large well close to the R. R. station. This 

 well was dug for water for a supply for the engines, but when the 



