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BULLETIN OF WISCONSIN NATURAL HISTORY SOCIETY. VOL. 2. NO, 1. 
A. stellatiim Nicholson and Etheridge, Jr. 
Bactropora species. 
Botryllopora socialis Nicholson. 
Ceramella scidacea Hall. 
Clonopora species. 
Cystodictya incisurata (Hall). 
C. tnmiilosa (Hall and Simpson). 
FaviceLla tessellata (Hall and Simpson). 
Fistulipora colliciilata (Hall). 
F. constricta (Hall). 
F. cornuta (Hall and Simpson). 
F. distensa (Hall). 
F. eriensis Rominger. 
F. foliacea (Hall). 
F. hiironensis (Nicholson). 
F. imbricella (Hall). 
F. interaspera Hall and Simpson. 
F. subtrigona (Hall and Simpson). 
F. triangularis (Hall). 
F. trifaria Hall and Simpson. 
F. vesiculata (Hall and Simpson). 
F. a miinber of nndetemiined species. 
Hederella canadensis (Nicholson). 
H. cirrhosa Hall. 
H. conferta (Hall). 
H. filiform's (Nicholson). 
H. magna Hall. 
Heterotrypa barrandei (Nicholson). 
H. moniliformis (Nicholson). 
H. species. 
Intrapora puteolata Hall. 
Leptotrypa quadrangularis (Nicholson). 
Lioclema decipiens (Hall). 
L. digitatum (Hall). 
L. involvens (Hall and Simpson). 
L. minutum (Rominger). 
L. multaculeatiim (Hall). 
L. occidens (Hall and Whitfield). 
L. segregatum (Hall). 
L. species. 
Orthopora bispinulata (Hall). 
O. snbquadrata (Hall). 
"O. species. 
Pinacotrypa bullata? (Hall and Simpson). 
