CATALOGUE OF TRILOBITES. 307 



DOLICHOMETOPUS. ENCRINURUS. 



? GIBBERRULUS Bill., 1865; Pal. Foss., vol. 1, p. 269, fig. 254. Port 



aux Choix, N. F. 



? RARUS Bill., 1865; Pal. Foss., vol. 1, p. 352, fig. 308. Oxford, Can- 



ada. 



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

 DYSPLANCS Burm., 1843; Organization of Trilobites (Kay. Soc. ed., p. 205). 

 ELLIPSOCEPHALUS Zenk., 1833; Beitriige Naturgeschichte der Urwelt, p. 51. 



ARTICEPHALUS Matt., 1892; Canadian Record of Sci., Oct., 1892, p. 



250, fig. 5 a-b. Hanford Brook, St. John county. Taconic. 



CURTUS Whitf., 1878; Ann. Rep. Geol. Wisconsin, 1877, p. 58. Hud- 



son, Wis. Potsdam. 



CURTUS Whitf., 1882; Geol. Wisconsin, vol. 4, p. 191, pi. 1, fig. 18. 



GALEATUS Matt., 1892; Canadian Record of Sci., Oct., 1892, p. 249, 



fig. 4 a-e. Hanford Brook, St. John county, N. B. Taconic. 



ELIPTOCEPHALUS Emmons, 1844; Taconic Syst., p. 21, figs. 1-3. 



asaphoides. (See Olenellus asaphoides Emmons.) 



Embolimus Rominger, 1887; Proc. Acad. Nat. Sci. Phila., p. 16. (See 



Zacanthoides Wai.) 



rotundata. (See Bathyuriscus howelli.) 



spinosa. (See Olenoides spinosus.) 



EXCRINURUS Emm., 1844; Zur Naturg. Trilobiten, p. 16. 



AMERJCAXUS Vogd., 1886; Des. New Crust. Clinton Group, Georgia, 



p. 1. Taylor's Ridge, Catoosa Station, Georgia. Clinton. 



AMERICANUS Foerste, 1887; Bull. Denison Univ., vol. 2, p. 102. 



DELTOIDEUS Shum., 1855; Geol. Missouri, p. 198, pi. B, fig. 10. Cape 



Garardeau, Missouri. Silurian. 



Cryptonymus DELTOIDEUS Vogd., 1878; Mon. Genera Zethus, etc., p. 21. 



DELTOIDEUS Foerste, 1887; Bull. Denison Univ., vol. 2, p. 102. 



- EGANI Miller, 1879; Jour. Cincinnati Soc. Nat. Hist., vol. 2, p. 254, 



pi. 15, figs. 1, la, b. Joliet, Illinois. Niagara. 



ELEGANTULUS Bill., 1866; Catalogue Sil. Foss. Anticosti, p. 62. The 



Junipers, Div. 4. 



ELEGAXTULUS Foerste, 1887; Bull. Denison Univ., vol. 2, p. 102. 

 excedrensis Saff., 1869; Geol. Tennessee, p. 290. (See Encrinurus 



varicoslatus Wai.) 



- MIRUS Bill., 1865; Pal. Foss., vol. 1, p. 292, fig. 282. Table Head and 



Pistolet Bay, N. F. 

 Cryptonymus (Atractopyge) MIRUS Vogd., 1878; Mon. Genera Zethus, 



etc., p. 34. 

 Amphion MULTISEGMENTATUS Portl., 1843; Geol. Londonderry, etc., 



p. 291, pi. 3, fig. 6. 



MULTISEGMENTATUS Salt.; Mem. Geol. Survey United Kingdom, decade 



7, pi. 4. 



