THE NATURAL HISTORY SURVEY. 187 



1882. Lichas boltoni var., occidentals. Hall, llth Rep. Dep. 

 Geol. & Nat. Hist., Indiana, p. 344, pi. 36, figs. 8-11 and 12. 



Niagara: Waldron, Ind. 



1890. Lichas boltoni. var., occidentalis. Foerste, Proc. Bost. Soc., 

 Nat. Hist., vol. 24, p. 272. 



Clinton: Cumberland Gap, Tenn. 



1907. Arctinurus occidentalis. Weller, This Bulletin, p. 247, pi. 20 

 figs. 10-12. 



Niagaran: Joliet and Bonfield, 111. 



ARQES Goldfuss, 1839. 



Arges arkansana van Ing., see Dicranopeltis arkansana (van Ing.). 

 Arges phlyctainodes (Green), see Corydocephalus phlyctainodes (Green). 

 Arges phlyctenoides depauperata van Ing., see Corydocephalus depau- 

 peratus. 



ASAPHUS Brong.. 1822. 



Asaphus caudatus Green, see Dalmanites iimulurus (Green). 

 Asaphus cordieri Castel., see Dalmanites Iimulurus (Green). 

 Asaphus corycaeus Conrad, see Proetus corycaeus (Conrad). 

 Asaphus coryphaeus Hall, see Proetus corycaeus (Conrad). 

 Asaphus Iimulurus Green, see Dalmanites Iimulurus (Green). 

 Asaphus wetherilli Green, see Dalmanites Iimulurus (Green). 



BRONTEUS Goldf., 1839. 

 Bronteiis acamas Hall. 



1865. Bronteus acamas. Hall, Adv. Sheets, IStlTHep. N. Y. St. 

 Cab, Nat. Hist., p. 28. 



Niagara : Racine, Wis. 



1867. Bronteus acamas. Hall, 20th Rep. N. Y. St. Cab. Nat. Hist., 

 p. 322, pi. 21, figs. 19-20. 

 Niagara: Racine, Wis. 



1870. Bronteus acamas. Hall, 20th Rep. N. Y. St. Cab. Nat. Hist. 

 (rev. ed.), p. 422, pi. 21, figs. 19-20, pi. 25, fig. 21. 



Niagara: Racine, Wis. 

 1907. Bronteus acamas. Weller, This Bulletin, p. 232, pi. 20, fig. 1. 



Niagaran: Bridgeport and Romeo, 111. 

 Bronteus laphami Whitf. 



1878. Bronteus laphami. Whitf., Ann. Rep. Wis. Geol. Surv. for 

 ' 1877, p. 88. 



Niagara: Kewaunee, Wis. 



1882. Bronteus laphami. Whitf., Geol. Wis., vol. 4, p. 310, pi. 22, 

 figs. 1-4. 



Niagara: Kewaunee, Wis. 

 Bronteus niagarensis Hall 



1852. Bronteus ? niagarensis. Hall, Pal. N. Y., vol. 2, p. 34, pi. 

 70, fig. 3. 



Niagara: Niagara river. 



1901. Bronteus niagarensis. Grabau, Bull. N. Y. St. Mus., No. 45, 

 vol. 9, p. 226, fig. 158. 



Niagara: Niagara river. 



