THE NATURAL HISTORY SURVEY. 19! 



1890. Calymene blumenbachii var., vogdesi. Foerste, Proc. Bost 

 Soc. Nat. Hist., vol. 24, p. 265. 



Clinton: Hanover, Ind. ; Wilmington, Ohio; Collins- 

 ville, Ala.; Catoosa Station and Dug Gap, Ga.; Cum- 

 berland Gap, Tenn. 



1895. Calymene vogdesi. Foerste, Geol. Surv. Ohio, vol. 7, p. 526, 

 pi. 25, fig. 24-25; pi. 27, figs. 12-16. 



Clinton: Ohio; Hanover, Ind.; Lockport, N. Y. 



CERATOCEPHALA Warder, 1838. 

 Ceratocephala coalescens van Ing. 



-1901. Ceratocephala coalescens. van Ing., School of Mines Quart., 

 . vol. 23, p. 48, fig. 11, p. 41. 



Silurian: St. Clair Spring, Independence Co., Ark. 

 Ceratocephala depauperata van Ing. 



1901. Ceratocephala goniata (depauperata). van Ing., School of 

 Mines Quart., vol. 23, p. 42. 



Silurian: St. Clair Spring, Independence Co., Ark. 

 Ceratocephala nodulata van Ingen. 



1901. Ceratocephala nodulata. van Ing., School of Mines Quart., 

 vol. 23, p. 44, fig. 10, p. 41. 



Silurian: St. Clair Spring, Independence Co., Ark. 

 Ceratocephala goniata Warder. 



1838. Ceratocephala goniata. Warder, Am. -Jour. Sci., 1st ser., vol. 

 34, p. 378, fig. 



Springfield, Ohio. 



1862. Acidaspis danai. Hall, Geol. Surv. Wis:, vol. 1, p. 432 

 . (no description). 



Niagara : Wisconsin. 



1865. Acidaspis danai. Hall, Adv. Sheets, 18th Rep. N. Y. St. 

 Cab. Nat. Hist., p. 28. 



Niagara: Bridgeport, 111. 



1865. Acidaspis ida. W. & M., Mem. Bost. Soc. Nat. Hist., vol. 1, 

 p. 106, pi. 3, fig. 13. 



Niagara: Bridgeport, 111. 



1867. Acidaspis danai. Hall, 20th Rep. N. Y. St. Cab. Nat. Hist., 

 p. 333, pi. 21, figs. 8-9. 



Niagara: Bridgeport, 111. 



1870. Acidaspis danai. Hall, 20th Rep. N. Y. St. Cab. Nat. Hist., 

 (rev. ed.), p. 423, pi. 21, figs. 8-9. 



Niagara: Bridgeport, 111. 



1892. Ceratocephala goniata. Clarke, 44th Rep. N. Y. St. Mus. 

 Nat. Hist., p. 91-100, pL 1, fig. 1. 



Springfield, Ohio. 



1904. Ceratocephala goniata. Kindle, 28th Ann. Rep. Dep. Geol. 

 and Nat. Res., Indiana, p. 480, pi. 24, fig. 13. 



Niagara: Pendleton, Indiana. 



1907: Ceratocephala goniata. Weller, This Bulletin, p. 255, pi. 23, 

 figs. 1-2. . 



Niagaran: Bridgeport and Hawthorn, 111. 



Ceratocephala goniata (depauperata) van Ing., see Ceratocephala de= 

 pauperata van Ing. 



