390 CALIFORNIA ACADEMY OF SCIENCES. 



ISOCHILINA. JONESELLA. 

 GREGARIA (Whitf.) Joiies, 1890; Quart. Jour. Geol. Soc, vol. 46, p. 



22, pi. 1, figs. 9, 10. Cave Island, Ball's Bay, Lake Champlaiu, 



Vt. For other other references, see Primitia gre<jaria. 



Calciferous. 

 JONESi Wetherby, 1881; Jour. Cincinnati Soc. Nat. Hist., vol. 4, p. 



SO, pi. 2, tigs. 7, 7 a. Mercer Co., Ky. Subcarboniferous. 

 JONESI Ulrich, 1890; Jour. Cincinnati Soc. Nat. Hist., vol. 13, p. 179, 



pi. 11, figs. 9, 9 a-c. Near Harrodsburg, Ky. Trenton. 



KENTUCKYENSis Ulrich, 1890; Jour. Cincinnati Soc. Nat. Hist., vol. 



13, p. 179, pi. 11, figs. 11, 11 a-d. Mercer Co., Ky., and Frank- 

 ford, Ky. Birdseye. 



LABELLOSA Jones, 1891; Contrib. Micro-Palasont., pt. 3, p. 69, pi. 10, 



figs. 16 a-b-c, 17 and 19. Quebec City. Chazy. 

 ^ LiNEATA Jones, 1890; Quart. Jour. Geol. Soc, vol. 46, p. 21, pi. 2, 



figs. 5 a, b, 8 a, b. Monteith's Point, Canandaigua, N. Y. 



Hamilton. 

 Leperditia (Isochilma) minutissima Hall, 1871; Des. New Species 



Foss. Hudson Eiver Group, p. 7. Cincinnati, Ohio. Hudson. 

 Leperditia (Isochilina) minutissima Hall, 1872; 24th Kep. New York 



State Mus. Nat Hist., p. 231, pi. 8, fig. 13. 

 Leperditia (Isochilina) minutissima H. & W., 1875; Pal. Ohio, vol. 2, 



p. 102, pi. 4, fig. 5. (See Aparchites minutissima.) 

 Leperditia (Isochilina) Ottawa Jones, 1858; Annals Mag. Nat. Hist., 



London, 3d series, vol. 1, p. 248, pi. 11, fig. 1. Northwest corner 



Township of L'Orignal, Canada. Chazy. 



Leperditia (Isochilina) Ottawa Jones, 1858; Geol. Survey Canada, de- 

 cade 3, p. 97, pi. 9, fig. 14. A var. to this species is figured in 



Contrib. Micro-Palseont., pt.3, p. 66, pi. 10, figs. 10 a band 11 a b. 

 OTTAWA Jones, 1884; Annals Mag. Nat. Hist., London, 5th series, 



vol. 14, p. 345. 

 RECTANGULARis Ulrich, 1890; Jour. Cincinnati Soc. Nat. Hist., vol. 



13, p. 182, pi. 16, figs. 2 a-b. Falls of the Ohio. Devonian. 

 SAFFORDi Ulrich, 1890; Jour. Cincinnati Soc. Nat. Hist., vol. 13, p. 



178, pi. 11, figs. 10 a-d. Nashville, Tenn. Trenton. 

 SEELYi (Whitf.) Jones, 1890; Quart. Jour. Geol. Soc, vol. 46, p. 22, 



pi. 1, fig. 7. For other references see Primitia seelyi. Shoreham, 



Vt. 

 sub-nodosa Ulrich, 1890; Jour. Cincinnati Soc. Nat. Hist., vol. 13, 



p. 177, pi. 11, figs. 7, 7 a-c. Perryville, Ky. Trenton. 

 WHiTEAVESii Jones, 1891; Contrib. Micro-Palasont., pt. 3, p. 68, pi. 



10, figs. 13 a-b. Lorette Falls, Quebec Trenton. 

 JoNESELLA Ulrich, 1890; Jour. Cincinnati Soc. Nat. Hist., vol. 13, p. 121. 

 CRASSA Ulrich, 1890; Jour. Cincinnati Soc. Nat. Hist., vol. 13, p. 123, 



p. 7, figs. 11, 11 a-c. Minneapolis, Minn. Trenton. 



