CATALOGUE, OF TRILOBITES. 329 



OLENOIDES. 



- FORDI Wai., 1887; Am. Jour. Sci., 3d series, vol. 34, p. 195, pi. 1, 



figs. 5, 5 b. Tacouic. 



- FORDI Wai., 1890; 10th Rep. U. S. Geol. Survey, p. 641, pi. 94, figs. 



3, 3 a, b. Washington county, N. Y. Olenellus zone. 



flagricaudus. (See Zacanthoides flagricaudus.) 



Dicellocephalus? GOTHICUS H. & W., 1877; U. S. Geol. Expl. 40th 



Par., vol. 4, p. 242, pi. 1, fig. 36. Taconic. 



Dorypyge GOTHICUS Dames, 1884; China (Eichthofeu), vol. 4, p. 23. 

 Dicellocephalus? GOTHICUS Wai., 1884; Pal. Eureka Dist. Mon. U.S. 



Geol. Survey, vol. 8, p. 45, pi. 9, fig. 24. 



- GOTHICUS Wai., 1886; Bull. U. S. Geol. Survey, vol. 30, p. 187, pi. 



29, figs. 1, 1 a-c. 

 levis Wai. (See Zacanthoides levis.) m 



- ? MARCOUI Wai., 1886; Bull. U. S. Geol. Survey No. 30, p. 186, pi. 26, 



figs. 5, 5 a, b. Georgia, Vermont. Taconic. 



Dicellocephalus ? MARCOUI Whitf., 1884; Bull. Am. Mus. Nat. Hist. 

 New York, vol. 1, p. 150. pi. 14, fig. 7. 



- MARCOUI Wai., 1890; 10th Rep. U. S. Geol. Survey, p. 642, pi. 94, 



figs. 2, 2 a, b. 

 Paradoxides? XEVADENSIS Meek, 1870; Proc. Acad. Nat. Sci. Phila., 



vol. 22, p. 62. House Range, Antelope Springs, Utah. Taconic. 

 Paradoxides? XEVADENSIS Meek, 1877; U. S. Geol. Expl. 40th Par. 



Pal., vol. 4, p. 23, pi. 1, fig. 5. 



XEVADENSIS Meek, 1877; U. S. Geol. Expl. 40th Par. Pal., vol. 4, p. 25. 



- NEVADENSIS Wai., 1886; Bull. U. S. Geol. Survey No. 30, p. 181, pi. 



25, fig. 7; also in Proc. U. S. Nat. Mus., vol. 11, 1888, p. 443. 



- NEVADEXSIS Wai., 1888; Am. Jour. Sci., 3d series, vol. 36, p. 165. 

 Syn., Ogygia serrata (Rominger) Wai., 1888; Am. Jour. Sci., 3d 



series, vol. 36, p. 165. 

 Dicellocephalus QUADRICEPS H. & W., 1877; U. S. Geol. Expl. 40th 



Par., vol. 4, p. 240, pi. 1, figs. 37-40. Ute Peak, Wahsatch 



Range, Utah. Taconic. 



Dicellocephalus QUADRICEPS Wai., 1884; Pal. Eureka Dist. Mon. 



U. S. Geol. Survey, vol. 8, p. 45, pi. 9, fig. 24. 

 Dorypyge QUADRICEPS Dames, 1884; China (Richthofen), vol.4, p. 23. 



Referred to 



QUADRICEPS Wai., 1886; Bull. U. S. Geol. Survey No. 30, p. 187, pi. 



29, figs. 1, 1 a-c. 



- QUADRICEPS Wai., 1890; 10th Rep. U. S. Geol. Survey, p. 646, pi. 94, 



figs. 4, 4 a-d. 

 spinosus. (See Zacanthoides spinosus.) 



- STISSIXGEXSIS Dwight, 1889; Am. Jour. Sci., vol. 38, p. 147, pi. 6, 



figs. 9-15. Mount Stissing, New York. Taconic. 



typicalis. (See Zacanthoides lypicalis.) 



