SXTI=:E=IjE3i.^E3SrT 



TO 



Calaloo'ue of Lower Silurian Fossils 



u 



OF THE 



CINCINNATI GROUP, 



Found at Cincinnati and within a radius of forty or fifty miles. Containing 



new Genera and about 150 New Species, described since the pubh- 



cation of the catalogue, April, 1875, and other identified species,- 



synonyms, etc. 



By U. p. JAMES, July 10, 1879. 



(The numbers on the left hand margin refer to their proper places in the catalogue. Some of the 

 species are repeated here in order to correctly place late synonyms.) 



PLANTS. 



Genus BUTHOTREPHIS, (Hall.) 

 o B — filciformis. James. 



Ge7ttts LICROPHYCUS. (Billings.) 

 4 L — flabelhim. Miller & Dyer. 



C^mw PALAEOPHYCUS. (Hall.) 

 Afi P — flexuosus. James. 



Genus RUSOPHYCUS. (Hall.) 

 5/2R— asper. Miller & Dyer. 



Getius SCOLITHUS. (Hai.deman.) 

 8rt S — tuberosus. Miller & Dyer. 



Gc7ius SACCOPHYCUS. (James.) 

 %h S — intortus. James. 



Genus LOCKEIA. (James.) 

 8t L — siliquaria. James. 



e^^'ww.fSPHENOPHYLLUM. (Broignart.) 

 8rtf L — primeavum. Lesquereu.x. 



Genus PROTOSTIGMA. (Lescj.) 

 8y" P — sigillaroides. Lesq. 



Genus BLASTOPHYCUS. (M. & D.) 

 8^ B — diadematus. Miller & Dyer. 



Genus TRICHOPHYCUS. (M. & D.) 

 8/4 T— lanosus. Miller & Dyer. 

 8/ T — sulcatum. Miller & Dyer. 



Genus ARTHRARIA. (Billings.) 



M A — biclavata. Miller. 



(The published figure of this species appears 

 much as if copied from a specimen just from the 

 turning lathe— a remarkable growth for a Sea- 

 riant ) 



Genus PSILOPHYTUM. (Dawes.) 

 8/ P — gracillium. Lesq. 

 Genus DACTYLOPHYCUS. (M. &D.) 

 8w D— tridigitatum. Miller & Dyer. 

 8« D — quadripartatum. Miller & Dyer. 



C^wzw HELIOPHYCUS. (M. &D.) 

 8t' H— stelliforme. Miller & Dyer. 



Genus DYSTACOPHYCUS. (M. & D.) 

 %p D — Mamillanum. Miller & Dyer. 



Genus CHLC^EPHYCUS. (M. & D.) 

 8(/ C- plumosum. Miller & Dyer. 



Genus ARISTOPHYCUS. (M. &D.) 

 8r A — ramosum. Miller & Dyer. 

 8j a — var. germanum. Miller & Dyer. 



PROTOZOA. 



SPONGIDA. 



Genus ASTYLOSPONGIA. (RfEMER.) 

 8/ A — tumidus. James. 



Genus MICROSPONGI A. ( M. & D. ) 

 8?< M — gregaria. Miller & Dyer. 

 6'.v/«-vSTROMATOPORA.(DeBlainville) 



871' S — lichenoides. James. 

 8x S — papillata. James. 

 81' S — scabra. James. 



Genus BRACHIOSPONGIA (Marsh.) 

 8j' B— tuberculata James. 



RADIATA. 



POLYPI. 

 Genus STELLIPORA. (Hall.) 

 9 S — antheloidea. Hall. 



Syn. ':r\. polystoniella. Nicholson. 



Geitus DICTYONEMA. (Hall.) 

 Qrt D — irregulare. Hall. 

 Genus ZAPHRENTIS. (Rakenesquk.) 

 \oa V. — ohioensis. James. 



Genus CH/ETETES. (Fischer.) 

 14(7 C — calceolus Miller & Dyer. 

 19a C — crustulatus. James. 



29 



