CATALOGUE OF TRILOBITES. 291 



CERAURUS. CONOCORYPHE. 



RARUS Wal., 1879; 31st Rep. New York State Mus. Nat. Hist., p. 68. 



Oheiruriis satyr0.s Bill., 1865; Tal. Foss., vol. 1, p. 324, fi<?. 309. 



Montreal, Canada. Chazy. 



dheiriirus SOL Bill., 1865; Pal. Foss., vol. 1, p. 288, fig. 276. Table 



Head, Portland Creek, N. F. 

 Cheirurua solitarius Bill., 1865; Pal. Foss, vol. 1, p. 206. St. An- 



toiue, Quebec. 

 Cheirurus tarquinius Bill., 1863; Proc. Portland Soc. Nat. Hist., vol. 



1, p. 121, pi. 1, fig. 22. Port Daniel on the Bay Chaleur. 



Upper Silurian. 



vig'ilans. (See Encrimirus vicjUann.) Middleville, N. Y. 



Cheirurus vulcanus Billings, 1865; Pal. Foss., vol. i, p. 284, fig. 27; 

 p. 324, fig. 310. Cow Head, N. F. 



Chariocepiialus Hall, 1863; 16th Rept. New York State Cab. Nat. Hist., 



p. 175. 

 TUMiFRO-NS H. & W., 1877; U. S. Geol. Expl.40th Par., vol. 4, p. 224, 



pi. 2, figs. 38, 39. Pogonip Mt., White Pine District, Nevada. 



Taconic. 

 ? TTjMiKRON.s Wal., 1884; Pal. Eureka Dist., Mon. U. S. Geol. Survey, 



vol. 8, p. 61, pi. 10, fig. 16. 

 ■ WHiTFiELDi Hall, 1863; 16th Rep. New York State Cab. Nat. Hist., p. 



175, pi. 6, figs. 49-53; pi. 10, fig. 20. Trempaleau, Wis. Taconic. 



Ch.\smops McCoy, 1849; Annals Mag. Nat. Hist., 2d series, vol. 4, p. 403. 

 (See Dalmanilen (Ghasmops) anchiops, also var. armatus, and var. 

 sobrinus, D. {Chasmops) calypso, D. [Ghasmops) erina, D. (Ghas- 

 mops) macrops. 

 Dabnanites TROOi^Ti Safif., 1869; Geol. Tennessee, p. 290. Trenton. 



TROOSTi Saff. & Vogd., 1889; Proc. Acad. Nat. Sci. Phila., p. 167, fig. 



Gonocephalus Zenk., 1833; Beitrage Nat. Urwelt, p. 48. 



Goiocephalites Barr., 1852; Syst. Sil. Bohfeme, vol. 1, p. 415. For species 

 previously classed under these genera, see Gonocoryphe, Ptycho- 

 paria and Grepicephalus. 



? contiguus Matt., 1891; Trans. Royal. Soc. Canada, vol. 9, p. 58, pi. 



13, figs. 14a-b. St. John. 



Co.vocoRYPHE Cord., 1847; Prodr., p. 139, pi. 2, fig. 10. 



Gonocephalites baileyi Hartt, 1868; Acadian Geol., p. 645 (3d ed.) 



Ratcliflf's Millstream. St. John. 

 BAiLEVi Matt., 18S4; Trans. Royal Soc. Canada, vol. 1, p. Ill, pi. 1, 



figs. 22-27. 

 [Bailiella) baileyi Matt., 1884; Trans. Royal Soc. Canada, vol. 1, pi. 



1, fig. -22. 



