35 



Aldrich, Eocknk Mollusca 



25 



A surprising fact is that a minute Corbula, Corbula {A/oidis) 

 milium Dall, originally described from the Wilcoxian is extreme- 

 ly common. The supposed differences in the specific fauna is 

 explained. The two localities are over 100 miles apart. The 

 list of species from near Estelle is as follows : 



Leda saffordajia Harris. 



" parva Rogers. 



' ' quercollis Harris. 



*' milamejisis " 

 Corbula {Aloidis) milium Dall. 

 Glycymeris cf aviculoides Con. 

 Pinna sp. ? 

 Teredo ring ens Aldr. 

 Yoldia eborea Con. 

 Venericardia wilcoxeiisis Dall. 

 Tellina estellensis Aldr. 

 Protocardia Harrisi Dall. 

 Pecte7i alabamensis Aldr. 

 Ostrea f 3^oung. 

 Niicula ovula Lea. 



" mediavia Harris. 

 Modiola saffordi Gabb. 

 Meretrix ripleyana Gabb. 

 Cuadlcea saffordi Gabb. 



" 7nacrodo7ita Whitf. 

 Crassatellites sepjilcollis Harris. 



" gabbi '^^Sloxdi. 



Area sp. ? 



Corbula subcompressa GabI). 

 Strepsidura Heilprini Aldr. 

 Vohitilithes rug at us Con. 



" limopsis Con. 

 Tttrritella tennessee7isis Gabb. 



" morlGui Q,ox\. 



huiuerosa Con. 

 Turritella alabamieiisis W^liitf. 



