CATALOGUE OF TKILOBITES. 329 



OLENOIDES. 



FORDi Wal., 1887; Am. Jonr. Sci., 'Ad series, vol. 34, p. 195, pi. 1, 



figs. 5, 5 b. Tacouic. 



KORDi Wal., 1890; lOth Eep. U. S. Geol. Survey, p. 641, pi. 94, tigs. 



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



fiagricaudun. (See Zacanihoides flagricaicdus .) 



Dicellocephcdm? gothicus H. & W., 1877; U. S. Geol. Expl. 40tli 

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



Dorypyge gothicus Dames, 1884; China (Eichthofen), vol 4, p. 23. 

 Bicdlocephalus? gothicus Wal., 1884; Pal. Eureka Dist. Mon. U.S. 

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



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



29, figs. 1, 1 a-c. 

 levis Wal. (See Zacantholdes levis.) 



? MAKCOUI Wal., 1886; Bull. 13. S. Geol. Survey No. 30, p. 186, pi. 26, 



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



DiceUocephalus ? marcoui Whitf., 1884; Bull. Am. Mus. Nat. Hist. 

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



marcoui Wal., 1890; 10th Rep. U. S. Geol. Survey, p. 642, pi. 94, 



figs. 2, 2 a, b. 

 Pm-adoxides? nevadensis Meek, 1870; Proc. Acad. Nat. Sci. Phila., 

 vol. 22, p. 62. House Eauge, Antelope Springs, Utah. Tacouic. 

 Paradoxides? nevadensis 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. 



XEVADENSIS Wal., 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. 



XEVADENSIS Wal., 1888; Am. Jour. Sci., 3d series, vol. 36, p. 165. 



Syn., Ogygia serrata (Eominger) Wal., 1888; Am. Jour. Sci., 3d 



sei-ies, vol. 36, p. 165. 



DiceUocephalus quadriceps H. & W., 1877; U. S. Geol. Expl. 40th 



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



Eange, Utah. , Tacouic. 



DiceUocephalus quadriceps Wal., 1884; Pal. Eureka Dist. Mon. 



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

 Dorypyge quadriceps Dames, 1884; China (Eichthofen), vol. 4, j). 23. 

 Eeferred to 



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



29, figs. 1, 1 a-c. 



QUADRICEPS Wal., 1890; 10th Eep. U. S. Geol. Survey, p. 646, pi. 94, 



figs. 4, 4 a-d. 



spinosus. (See Zacnnthoides spinosus.) 



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



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

 typicalis. (See Zacanihoides typicalls.) 



