70 



M AEG ABIT A]Sr A, 



Pi 



< 





O 





< 





s 



c5 







K 1 



c -^ 







^ 





P>H 





OJ 





fc 





c 





;s 





f AECUATE. 



Alas, complanatus} J\ndd. 



*Holstonia. Lea. 



Unio Holstonianus. Han. 



*fabula. Lea. 



Unio f alula. Han. 



The following species are unknown to me: — 



Alasmodonta Tripolitana. Fer. 

 Alasmodonta incurva. Fer. 

 Margaritana Etowaensis. Con. 

 Margaritana Wetzleri {fossil). Dunh. 

 Krauss.^ 



Alasmodonta . Con.^ 



Alasmodonta (Unio) Stuarti. Ad. &Ang. 



' Middendorff Sibi, Reise, p. 273, refers to Unio complanatus, Soland., for this species. 

 ^ Die Mollusken der Tertiar-Formation von Kirchberg. 



' Proc. Acad. N. S., vol. vii. p. 32. The description is at length, but there is no specific name given 1 

 Loc. unknown. 



