scHrcHERT.l INDEX AND BIBLIOGRAPHY. 195 



Cryptonella rectirostris Ihill. Hamilton (Dev.). 



Te«"cl)r;itnl:i rectirostra l[all, Tliirteontli Rop. Now York State Cab. Nat. Hist., 



1860, ]). m. 



Cryptonella rectiroatra Hall, Fourteenth Hep. New York State Cab. Nat. Hist., 



1861, p. 101 ;— Sixteenth Rep. Ibidem, 1863, p. 44;— Pal. New Y'ork, IV, 1867, 

 p. 394, pi. 61, figs. 1-8.— Hall and Clarke, Ibidem, \^III, Pt. II, 1893, p. 286, 

 pi. 80, figs. 1-4. 



Loc. Belloua, York, Moscow, etc.. New York; Falls of Ohio. 



Cryptonella subelliptica Hall and Clarke. Waverly (L. Carb.). 



Cryptonella subelliptica Hnll and Clarke, Pal. New York, VIII, Pt. II, 1895, pi. 



81, figs. 41-43. 

 Loc. Sciotoville, Ohio. 



CYCLORHINA Hall and Clarke. Genotype Rhyncbospira nobilis Hall. 



Cyclorhina Hall and Clarke, Pal. New York, VIII, Pt. II, 1893, p. 206;— Thir- 

 teenth Ann. Rep. New Y'ork State Geologist, 1895, p. 830. 



Cyclorhina nobilis Hall. Hamilton (Dev.). 



Rhyncbospira nobilis Hall, Thirteenth Rep. New Y'ork State Cab. Nat. Hist., 



1860, p. 83. 

 Rhyncbospira and Trematospira? nobilis Hall, Pal. New Y'ork, IV, 1867, pp.277, 



412, pi. 63, figs. 33-36. 

 Retzia (Trematospira) nobilis Whiteaves, Cont. Canadian Pal., I, 1889, p. 116. 

 Cyclorhina nobilis Hall and Clarke, Pal. New York, VIII, Pt. II, 1893, p. 207, 



pi. 61, figs. 1-12. 

 Loc. Darien, New York; Thedford, Ontario. 



CYCLOSPIRA Hall and Clarke. Genotype Orthis bisulcata Emmons. 



Cyclospira Hall and Clarke, Pal. New York, VIII, Pt. II, 1893, p. 146.— Winchell 

 and Schuchert, Minnesota Geol. Survey, HI, 1893, p. 469. — Hall and Clarke, 

 Thirteenth Ann. Rep. New York State Geologist, 1895, p. 808. 



Cyclospira bisulcata (Emmons). Trenton (Ord.). 



Orthis bisulcata Emmons, Geol. New York; Rep. Second Dist., 1842, p. 396, fig. 4. 

 Atrypa bisulcata Hall, Pal. New York, I, 1847, p. 139, pi. 33, fig. 3. 

 Genus? bisulcata Hall, Twelfth Rep, New York State Cab. Nat. Hist., 1859, p. 65. 

 Camarella bisulcata Miller, American Pal. Foss., 1877, p. 107. 

 Camarella owatonnensis Sardcsou, Bull. Minnesota Acad. Nat. Sci., Ill, 1892, p. 



328, pi. 4, figs. 1-3. 

 Cyclospira bisulcata? Winchell and Schuchert, Minnesota Geol. Survey, III, 



1893, p. 470, pi. 34, figs. 49-54. 

 Cyclospira bisulcata Hall and Clarke," Pal. New York, VIII, Pt. II, 1893, p. 147, 



figs. 133-136; pi. 54, figs. 38-40;— Whiteaves, Pal. Foss., Ill, Pt. Ill, 1897, 



p. 180. 

 Loc. Adams, Jefferson County, New Y^ork; Ottawa, Canada; Cannon Falls, etc., 



Minnesota; Lake Winnipeg, Manitoba. 



Cyclospira(?) sparsiplica Foerste. Clinton (Sil.). 



Cyclospira? sparsiplica Foerste, Geol, Ohio, VII, 1895, p. 593, pi. 37A, fig. 18. 

 Loc. Dayton, Ohio. 

 Obs. May be a species of Parastrophia or a rhyuchonelloid. 



CYRTIA Dalman. Genotype Anomites exporrectus Wahlenberg. 



Cyrtia Dalman, Kongl. Sveuska Vet.-Akad. Handl., filr 1827, 1828, pp. 93, 97.— 

 Billings, Canadian .lour., VI, 1861, p. 262. — Nettelrotli, Kentucky Fossil 

 Shells, ^lem. Kentucky Geol. Survey, 1889, p. 93. — Hall and Clarke, Pal. New 

 York, VIII, Pt. II, 1893, p. 40;— Thirteenth Ann. Re]). New York State Geolo- 

 gist, 1895, p. 759. 



Cyrtia acutirostris Sliumard=Cyrtiiia acntirostris. 



