354 CALIFORNIA ACADEMY OF SCIENCES. 



PTYCHOPAEIA. 



siMiLis Wal., 1884; Pal. Eureka Dist., Mon. U. S. Geol. Survey, vol. 



8, p. 52, pi. 10, figs. Secret Canon Shale, Nev. 



SIMILIS var. ROBUSTUS Wal.; idem., p. 53, pi. 1, figs. 9, 9 a. 



Conoceph. scbcoronatus H. & W., 1877; U. S. Geol. Expl. 40th Par., 

 Palaeont., vol. 4, p. 237, pi. 2, fig. I. Ute Peak, Wasatch Mts., 

 Utah. Taconic. 



SUADA Wal., 1890; Proc. U. S. Nat. Mus., vol. 13, p. 274, pi. 21, fig. 9. 



Morgan's Creek, Burnet Co., Texas. Taconic. 



SUBCORONATUS Wal., 1886; Bull. U. S. Geol. Survey, No. 30, p. 205, 



pi. 28, fig. 4. Ute Peak, Wasatch Kange, Utah. Taconic. 



SUBCORONATA Wal.; 10th Rep. U. S. Geol. Survey, p. 652, pi. 96, 



fig. 6. Olenellus zone. 

 Conoceph. teuckr Bill., 1861; New or little known Sil. Foss., jj. 12, 

 fig. 16. Swanton, Vermont. Taconic. 



Conoceph. teucer Bill., 1861; Geol. Vermont, vol. 2, p. 951, fig. 356. 

 Conoceph. teitoer Bill., 1863; Geol. Canada, p. 286, fig. 295. 

 Conoceph. teucer Bill., 1865; Pal. Foss., vol. 1, p. 13, fig. 16. 



TEUCER Wal., 1886; Bull. U. S. Geol. Survey, No. 30, p. 197, pi. 26, 



tig. 3. 



TEUCER Wal.; 10th Hep. U. S. Geol. Survey, p. 652, pi. 96, tig. 3. 



Olenellus zone. 

 Conoceph. tener Hartt, 1868; Acadian Geol., p. 652. Coldbrook, N. 



B. Paradoxides zone. 

 Syn., Conoceph. neglectus (Hartt) Wal., 1884; Bull. U. S. Geol. Survey, 

 No. 10, p. 41. 



TENER Wal., 1884; Bull. U. S. Geol. Survey, No. 10, p. 41, pi. 5, figs. 



6, 6 a, b. 

 Conoceph. thersites. (See Ptychoparia orestus Hartt.) 



trilineatits. (See Atops trilineatus, Conocoryphe trilineatu.s, Conocepha- 



Utes trilineatus, Calymene beckii, Triarthrus heckii. ) 

 Crepicephalus (Loganellus) unisulcatus H. & W., 1877; U. S. Geol. 

 Expl. 40th Par., Palaeont., vol. 4, p. 216, pi. 2, figs. 22, 23. Eu- 

 reka, Nev. Taconic. 



unisulcatus Wal., 1884; Pal. Eureka Dist., Mon. U. S. Geol. Survey, 



vol. 8, p. 58. Eureka District, Nev. 



? URANIA Wal., 1890; Proc. U. S. Nat. Mus., vol. 13, p. 274, pi. 21, 



figs. 10 and 11. Packsaddle Mt., Texas. Taconic. 



VACUNA Wal., 1890; Proc. U. S. Nat. Mus., vol. 13, p. 275, pi. 21, figs. 



8-12. Spring Creek Canon, Black Hills, Dakota. Taconic. 



Conoceph. verucosus Whitf., 1884; Bull. Am. Mus. Nat. Hist., vol. 



1, p. 146, pi. 14, fig. 12. Georgia, Vermont. Taconic. 



Conoceph. vulcanus Bill., 1861; New or little known Sil. Foss., p. 



14, tig. 17. Highgate, Vermont. Taconic. 



Conoceph. vulcanus Bill., 1861; Geol. Vermont, vol.2, p. 952, fig. 357. 



