394 CALIFORNIA ACADEMY OF SCIENCES. 



LEPEKDITIA. 



CiECA Jones, 1891; Coutrib. Micro-Palaeont., pt. 3, p. 88, pi. 12, figs. 



6, 7 and 9. Grand Eapids, Saskatchewan Kiver, etc. Silurian. 



CjECIGena Miller, 1881; Jonr. Cincinnati Soc. Nat. Hist., vol. 2, p. 



263, pi. 6, figs. 5, 5 a. Hudson. 



CECiGENA Ulrich, 1890; Jour. Cincinnati Soc. Nat. Hist., vol. 14, p. 



176, pi. 11, figs. 6, 6 a-d; also var. frankforte.nsis, p. 177. Frank 

 fort, etc., Ky. 



CANADENSIS Jones, 1858; Annals Mag. Nat. Hist., London, 3d series, 



vol. 1, p. 244, pi. 9, figs. 11-15. Chazy and Trenton. 



CANADENSIS Joues, 1858; Geol. Survey Canada, decade 3, p. 92; var. 



nana, pi. 11, figs. 6, 7, 9, 10. This is the typical Leperditia cana- 

 densis; also var. lahrosa, pi. 11, fig. 8; now Leperditia labrosa. 



CANADENSIS Joues, 1884; Annals Mag. Nat. Hist., London, 5th series, 



vol. 14, p. 340. 



canadensis ya.T. pauqueitiana Jones. (See Leperditia louckana.) 



Gythere carbonaria Hall, 1858; Trans. Albany Inst., vol. 4, p. 33. 



Warsaw. 



carbonaria Whitf., 1882; Bull. Am. Mus. Nat. Hist., New York, vol. 



1, p. 94, pi. 9, figs. 24-27. Spergen Hill, near Bloomington, 

 Indiana. 



capax Saff.; Geol. Tennessee. (Not defined.) 



■ CAYUGA Hall, 1861; Des. new sp. Foss., p. 83. Coruiferous. 



CAYUGA Hall, 1862; 15th Kep. New York State Cab. Nat. Hist., p. 111. 



Springport, near Lake Cayuga, N. Y. Corniferous. 



CLAYPOLEi Jones, 1890; Quart. Jour. Geol. Soc, vol. 46, p. 25, pi. 3, 



figs. 17 a-c. Cincinnati, Ohio. 



CONCINNULA Bill., 1865; Pal. Foss., vol. 1, p. 299. Point Kich, Table 



Head, N. F. 



CREPiFORMis Ulrich, i879; Jour. Cincinnati Soc. Nat. Hist., vol. 2, p. 



10, pi. 7, figs. 3, 3 a. Covington, Ky. This species is used by 



Ulrich for the type of the new genus Jouesella. Hudson. 



C'ytherina cylindrica Hall, 1852; Pal. New York, vol. 2, p. 14, pi. 4, 



figs. 8 a, b. Medina, Cleans Co., N. Y. Medina. 



dermatoides Wal , 1887; Am. Jour. Sci., 3d series, vol. 34, p. 192, 



pi. 1, figs. 13, 13 a. One mile south of Greenwich, etc., Wash- 

 ington Co., N. Y. Taconic. 



dermatoides Wal.; 10th Eep. U. S. Geol. Survey, p. 626, pi. 80, figs. 



1, 1 a. Olenelhis zone. 



{? Primitia) dorsicornis Ulrich, 1892; The American Geol., vol. 10. 



p. 267, pi. 9, figs. 24 to 26. Savannah, Illinois. Hudson. 



ebenina Dwight, 1889; Am. Jour. Sci., 3d series, vol. 38, p. 144, 



pi. 6, figs. 2-4. Near Stissing Station, N. Y. Taconic. 



