340 CALIFORNIA ACADEMY OF SCIENCES. 



PEOETUS. 



Asaphus CORYCCECS Hall, 1843; Geol. New York, 4tli Geol. Dist., pL 

 19, fig. 3. 



CORYCCEUS Hall, 18.52; Pal. New York, vol. 2, p. 315, pi. 67, fig. 15. 



Calymene crassimarginatus Hall, 1843; Geol. New York, 4th Geol. 



Dist., p. 172, fig. 5. Upper Helderberg. 



P ilioUtes ohioensis? Coz., 1846; Aiinals Lyceum Nat. Hist. New York 



vol. 4, p. 157, pi. 10, figs. 1 a, b. 

 Calymene crassimarginatus Owen, 1852; Rep. Geol. Wisconsin, Iowa 

 and Minnesota, p. 623, pi. 3 a, fig. 6. 



CRAS.siMARGiNATi:s Hall, 1859; 12tli Piep. New York State Cab. Nat. 



Hist., p. 88. 

 Phillipsia crassimarginatus Bill., 1861; Canadian Journal, vol. vi, 

 p. 362. 



CRASSiMARGiNATcrs Hall, 1861; Des. New Species Foss., p. 72. At 



Williamsville and other places in Western New York, in Canada 

 West, Ohio and at the Falls of the Ohio. 



CRASSIMARGINATUS Hall, 1862; 15th Eep. New York State Cab. Nat. 



Hist., p. 100, pi. 10, fig. 10. 



CRASSIMARGINATUS Hall, 1876; nius. Dev. Foss. Crust., pi. 20, figs. 



20-31. 

 Syn., P. conradl, pi. 20, figs. 5, 8, 9. 



CRASSIMARGINATUS Hall, 1888; Pal. New York, vol. 7, p. 99, pi. 20, 



figs. 6-8, 20-31; pi. 22, figs. 20-62, pi. 25, fig. 8. 



• CURVIMARGINATUS Hall, 1888; Pal. New York, vol. 7, p. 94, pi. 22, 



figs. 13-19. Pendleton, Indiana. Schoharie. 



davenportensis Barris. (See Proetiis prouii Shum.) 



DEPHINULUS Hall, 1888; Pal. New York, vol. 7, p. Ill, pi. 23, figs. 1, 2; 



pi. 25, fig. 6. Canandaigua, Ontario county, N. Y. 



Ujiper Helderberg. 



PENTicuLATUs Meek, 1877; U. S. Geol. Expl. 40tl: Par., vol. 4, p. 49, 



pi. 1, figs. 10 a, b. Devonian. 



Phaetonides (?) denticulatus (Meek) Hall, 1888; Pal. New York, vol. 7, 



p. 139, \A. 25, figs. 14, 15. For other references, see Proetus 



(Phceton) deniicidastus Meek. Steptoe Valley, Nev. Devonian (?). 



DETERMINATUS Foerste, 1887; Bull. Denison Univ., vol. 2, p. 91, pL 



8, figs. 2, 3, 3 a. Soldier's Home near Dayton, Ohio. Clinton. 



DORIS Hall, 1860; i3th Eep. New York State Cab. Nat. Hist., p. 112. 



Eockford, Indiana. Goniatite limestone. 



Phillipsia DORIS Winch., 1865; Proc. Acad. Nat. Sci. Phila., 2d series, 



vol. 2, p. 62. 

 Phillipsia doris Herr., 1887; Bull. Denison, Univ. vol. 2, p. 62. 

 Phillipsia DORIS Vogd., 1887; Annals New York Acad. Sci., vol. 4, p. 90. 



ELLiPTicus M. & W., 1865; Proc. Acad. Nat. Sci. Phila., p. 267. 



Jersey Co., Illinois. Kinderhook. 



