The Geology of Cincinnati. 79 
With this division the Lorraine fauna is fairly inaugurated. 
The fauna is quite different from that in the Utica beds. 
Fossils cannot be said to be really abundant, that is, as com- 
pared with the upper Utica or the succeeding divisions of 
the Lorraine, but in variety the Fairmount beds excel all 
other divisions of the Cincinnati period, with the possible ex- 
ception of the lower Richmond. The fossils are usually well, 
and often beautifully preserved, and can ordinarily be had 
- free through the weathering of the shales between the lime- 
stones. The limestone layers usually show the fossils of 
which they are composed, and their upper and lower surfaces 
are often a mass of fossils, projecting more or less from the 
matrix. 
In addition to the forms which range through the Lorraine 
the following occur in the Fairmount beds: 
SPONGLA. 
Cylindroccelia covingtonensis Hindia spheeroidalis - gregaria 
Ulrich. Miller and Dyer. 
Dystactospongia insolens Miller. 
ECHINODERMATA. 
Anomalocrinus incurvus (Meek Ohiocrinus laxus (Hall). 
and Worthen). sf oehanus (Ulrich). 
Cyclocystoides bellulus Millerand  Palaaster clarkanus Miller. 
Dyer. s¢ dyeri Meek. 
Cystaster granulatus (Hall). oS granulosus Hall. 
Dendrocrinus cincinnatiensis ss jamesi (Dana). 
(Meek). oe shafferi Hall. 
Ectenocrinus grandis (Meek). Ptychocrinus parvus (Hall). 
Glyptocrinus decadactylus Hall. Streptaster vorticellatus (Hall). 
Hemicystites stellatus (Hall). Teeniaster granuliferus (Meek). 
BRYOZOA. 
Amplexopora cingulata Ulrich. Atactoporella multigranosa 
ais ?discoidea (Nichol- (Ulrich). 
son). Atactoporella mundula (Ulrich). 
Amplexopora septosa (Ulrich). 2 tenella (Ulrich). 
ae sp. Bythopora dendrina (James). 
Arthropora shafferi (Nicholson), as gracilis (Nicholson). 
variety. (c) 
Arthropora sp. Callopora dalei (Edwards and 
Atactopora hirsuta Ulrich. Haime). (c) 
maculata Ulrich. Callopora subplana Ulrich. 
