ROBERT T, JACKSON. 



CATALOGUE 



OF 



CINCINNATI GROUP FOSSILS. 



PLANTiE. 



Order ALG^;. 

 Genus Buthotrephis, Hall. 



Range. 



1. B. gracilis, Hall 0—8 



2. B. gracilis, var. crassa, Hall — 8 



3. B. ramulosa, S. A. Miller 0—1 



4. B. succulens, Hall 3 — 5 



Genus Pal^eopiiycus, Hall. 



5. P. flexuosum, James 1 — 2 



6. P. ornatum, Ulrich 3— G 



7. P. sculptum, Ulrich 3— G 



8. P. tubulare, Hall 2—6 



Genus Licrophycus, Billings. 



9. L. flabellum, Miller & Dyer 3—6 



Genus Chlcephycus, Miller & Dyer. 



10. C. plumosum, Miller & Dyer — 2 



Genus Aristophycus, Miller & Dyer. 



11. A. ramosum, Miller & Dyer 3 — 5 



12. A. ramosum, var. germanum, Miller &Dyer. . . . 3—5 



