CATALOGUE OF TRILOBIIES. 291 



CERAURUS. CONOCORYPHE. 



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



Cheirurus satyrus Bill., 1865; Pal. Foss., vol. 1, p. 324, fig. 309. 



Montreal, Canada. Chazy. 



Cheirurus sol Bill., 1865; Pal. Foss., vol. 1, p. 288, fig. 276. Table 



Head, Portland Creek, N. F. 

 Cheirurus solitarics Bill., 1865; Pal. Foss, vol. 1, p. 206. St. An- 



toine, Quebec. 

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

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



Upper Silurian. 



vigilans. (See Encrinurus vigilans.) Middleville, N. Y. 



CAeirwrMs VULGAN0S Billings, 1865; Pal. Foss., vol. i, p. 284, fig. 27; 

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



Chariocephalus Hall, 1863; 16tli Rept. New York State Cab. Nat. Hist., 



p. 175. 

 tcmifrons 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. 

 ? TUMiFRONS 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. 



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

 (See Dalmaniies (Chasmops) anchiops, also var. armatus, and var. 

 sobrinus, D. (Chasmops) calypso, D. (Chasmops) erina, D. (Chas- 

 mops) mac r ops. 

 Dalmanites troosti Saff., 1869; Geol. Tennessee, p. 290. Trenton. 



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



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



Conocephaliies Barr., 1852; Syst. Sil. Boheme, vol. 1, p. 415. For species 

 previously classed under these genera, see Conocoryphe, Ptycho- 

 paria and Crepicephalus. 



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



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



Conocoryphe Cord., 1847; Prodr., p. 139, ^A. 2, fig. 10. 



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



Ratcliff's Millstream. St. John. 

 BAILEVI Matt., 1884; Trans. Royal Soc. Canada, vol. 1, p. HI, pi. 1, 



figs. 22-27. 

 (Bailiella) baileyi Matt., 1884; Trans. Rojal Soc. Canada, vol. 1, pi. 



1, tin. 22. 



