CINCINNATI GROUP FOSSILS. 29 



Family ASAPHIDiE. 

 Genus Asaphus, Brongniart. 



Eange. 



611. A. gigas, Dekay 0—7^ 



612. A. megistos, Locke — *l% 



Order OSTRACODA. 

 Genus Beyrichia, McCoy. 



613. B. chambersi, S. A. Miller 0—7 



614. B. ciliata, Emmons 1 — 3 



G15. B. duryi, S. A. Miller near 4 



616. B. elongata, Ulricb near 8 



617. B. oculifera, Hall 4—5 



618. B. regularis, Emmons 6 — 7 



)19. B. persulcata, Ulrich 1 — 2 



620. B. riehardsoni, S. A. Miller 6—7 



Genus Primitia, Jones. 



521. P. bipartia, Ulrich near 8 



522. P. bivertex, Ulrich 0—1 



523. P. byrnesi, S. A. Miller 0—1 



524. P. cincinnatiensis, S. A. Miller — 2 



525. P. crepiformis, Ulrich 1 — 2 



626. P. logani, Jones 7^—8 



627. P. striatomarginata, S. A. Miller 7)^—8 



Genus Leperditia, Ronault. 



628. L. glabra, Ulrich 7—8 



629. L. josephana, Jones below ( ?) 



630. L. radiata, Ulrich 0—1 



631. L. tumida, Ulrich below 



Genus Isochilina, Jones. 



632. I. ampla, Ulrich below ( ?) 



633. I. approximata, Ulrich near 8 



634. I. gibbosa, Ulrich below 



635. I. latimarginata (?), Ulrich below (?) 



636. I. ( ?) minutissima, Hall, 0—8 



Genus Cytheropsis, McCoy. 



637. C. cylindrica, Hall below 0—8 



638. C. unicornis, Ulrich 0—1 



