372 CALIFORNIA ACADEMY OF SCIENCES. 



BEYEICHIA. 



ATLANTiCA Bill., 1865; Pal. Foss., vol. 1, p. 300. Table Head, N. F. 



BELLA Wal., 1883; Description New Species Trenton Group, p. 7, pi. 



17, tigs. 11, 11 a. Trenton Falls, N. Y. Trenton. 



BELLA Wal., 1884; 35th Rep. New York State Mus. Nat. Hist., p. 213 



pi. 17, figs. 11, 11 a. 



BUCHIANA? Jones, 1890; Quart. Jour. Geol. Soc, vol. 46, p. 16, pi. 3, 



fig. 25. Cincinnati, Ohio. Cambrian. 



CHAMBERSi Miller, 1874; Cincinnati Quart. Jour. Sci., vol. 1, p. 234, 



fig. 27. Cincinnati, Ohio. Hudson. 



CHAMBERSI H. & W., 1875; Pal. Ohio, vol. 2, p. 104, pi. 4, figs. 11, 12. 



ciLiATA Emmons, 1855; American Geology, pt. 2, p. 219, fig. 74 c. 



Cincinnati, Ohio. Hudson. 



CILIATA Miller, 1875; Cincinnati Quart. Jour. Sci., vol. 2, p. 351. 



CILIATA Jones, 1890; Quart. Jour. Geol. Soc, vol. 46, p. 19, pi. 3, 



figs. 12-16; pi. 4, figs. 16-18. 

 Syn., Beyrichia tumifrons Hall. This species is used by Ulrich for 

 the type of his new genus Ctenoholhina. 



CIN.CINNATIENSIS Miller, 1875; Cincinnati Quart. Jour. Sci., vol. 2, p. 



350, fig. 25. Weisburg, Ohio. Hudson. 



ciNCiNNATiENSis Wal., 1876; Trans. Albany Inst., vol. 10, p. 23. 



CLARKEi Jones, 1890; Quart. Jour. Geol. Soc, vol. 46, p. 17, wood- 

 cut, fig. 2. Herkimer Co., N. Y. Lower Helderberg. 



CLATHRATA Joncs, 1858; Annals Mag. Hist., London, 3d series, vol. 



1, p. 242, pi. 9, fig. 1. Niagara. 



CLAVIGERA Joues, 1891; Contrib. Micro-Palaaont, pt. 3, p 65, pi. 11, 



fig. 7, Quebec City; var. clavifracta, Quebec City, pi. 11, fig. 8. 



■ DAGON Clarke, 1885; Bull. U. S. Geol. Survey, No. 16, p. 29, pi. 2, figs. 



6, 7. Bristol Center, N. Y. Genesee. 



DECORA Bill., 1866; Catalogue Sil. Foss. Anticosti, p. 67. 



DIFFUSA Jones, 1890; Quart. Jour. Geol. Soc. Loudon, vol. 46, p. 



546, pi. 21, fig. 7. Jupiter Eiver, Anticosti. Silurian. 



■ DURYi Miller, 1874; Cincinnati Quart. Jour. Sci., vol. 1, p. 232, figs. 



24,25. Cincinnati, Ohio. Hudson. 



F(ETOiDEA White and St. John, 1868; Trans. Chicago Acad. Sci., vol. 



1, p. 126, figs. 11a, b. Union and Page Co., Iowa. Niagara. 



GRANULOSA Hall, 1876; 2Sth Rep. New York State Mus. Nat. Hist., 



Doc. Ed. ExpL, pi. 32, fig. 4. Waldron, Decatur Co., Indiana. 



Niagara. 



GRANULOSA Hall, 1876; 28th Rep. New York State Mus. Nat. Hist., 



p. 186, pi. 32, fig. 4. 



GRANULOSA Hall, 1883; llth Annual Rept. Dept. Geol. Nat. Hist. 



Indiana, p. 331, pi. 34, fig. 4. 



GRANULOSA Jones, 1890; Quart. Jour. Geol. Soc, vol. 46, p. 15, pi. 



1, fig. 3. Schoharie county, N. Y. 



