602 



PROCEEDINGS OF THE NATIONAL MUSEUM. 



Fauna of Choctawhatchee marl near Redbay, Walton County, Florida — Continued. 



The foregoing list contains one identified species which is repre- 

 sented in the Oligocene, five are exclusively Miocene, and none occur 

 exclusively in beds younger than the Miocene. 



Seven species are represented in the upper bed at Alum Bluflf, 

 Florida, and five at Jackson Bluff, southwest of Tallahassee, Florida. 



The following observations are noted in regard to the seven species 

 represented at Alum Bluff: 



Turritella variabilis Com-ad. — Not an Alum Bluff variety, but 

 closer to the Jackson Bluff variety. 



Dentalium attenuatum Say. — Specimen somewhat eroded; no varia- 

 tion can be detected. 



Phacoides crenulatus Conrad. — Lacks the strong hinge of Alum 

 Bluff var. pempJiigus Dall, but possesses the fine concentric sculpture. 



Cardium acutilaqueatum Conrad. — This is a poor specimen ; no 

 variation can be detected. 



Panope goldfussi Wagner. — Close to, if not the same, variety found 

 at Alum Bluff. 



Crassatellites inelinus Conrad. — ^Not the Alum Bluff variety. 



Dosinia elegans CoWifi(k. — This is a poor specimen; no variation 

 can be detected. 



Observations of other listed species are as follows : 



Astarte vaugMni, new species. — ^A closely allied form occurs in the 

 De Fmiiak (Florida) Cardium zone, and also at Porter's Landing, 

 Georgia. 



Macrocallista lyiaculata Lumaeus. — Has not been previously re- 

 ported in the Mocene beds of the Gulf fauna. 



Venus rileyi Conrad. — ^\^ariety occurs 3^ mUes southwest of De 

 Funiak Springs, Florida. 



Corbula, species (?). — Is a near relative to an undescribed form at 

 Flournoy's Mill near Argyle, Walton County, Florida. 



