2O8 THE CHICAGO ACADEMY OF SCIENCES. 



1890. Phacops pukhellus. Foerste, Proc. Bost. Soc. ,Xat. Hist., 

 ' vol. 24, p. 268, pi. 6, figs. 20-21. 



Clinton: Cumberland Gap, Term. 



1895. Phacops trisulcatus. Foerste, Geol. Surv. Ohio, vol. 7, p'. 

 529, pi. 26, fig. 3, pi. 27, figs. 4, 20, 21, pi. 31, figs. 20-21. 



Clinton: Ohio. 



1904. Phacops cf. pukhellus. Kindle, 28th Ann. Rep. Dep. Geol. 

 and Nat. Res., Indiana, p. 484, pi. 24, figs. 9, 12. 



Niagara: Connor's Mill, Georgetown and Pendleton, 



Ind. 



Phacops trisulcatus Foerste, see Phacops pulchellus Foerste. 

 Phacops trisulcatus Hall. 



1843. Calymene ? trisulcata. Hall, Geol. N. Y., pt. 4, p. 74, fig. 9, 



p. 72; tab. org. rem. 8, fig. 9. 



1852. Phacops trisulcatus. Hall, Pal. N. Y., vol. 2, p. 300, pi. 66 y 

 figs. 3a-b. 



Clinton : New York. 



PLATYNOTUS Con., 1838. 



Platynotus boltoni Con., see Arctinurus boltoni (Bigsby). 

 PARADOXIDES Brong., 1822. 

 Paradoxides boltoni Green, see Arctinurus boltoni (Bigsby). 



PARADOXUS 

 Paradoxus boltoni Bigsby, see Arctinurus boltoni (Bigsby). 



PROETUS Stein., 1831. 

 Proteus channahonensis Weller. 



1907. Proteus channahonensis. Weller, This Bulletin p. 228, pi. 20, 

 figs. 6-7. 



Niagaran: Near Channahon, Will Co., 111. 

 Proetus corrugatus van Ing. 



1901. Proetus corrugatus. van Ing., School of Mines Quart., vol. 

 23, p. 54, figs. 16-17. 



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

 Proetus corycaeus (Conrad). 



1842. Asaphus corycaeus. Conrad, Jour. Acad. Nat. Sci. il., 



1st ser., vol. 8, pt. 2, p. 277, pi. 16, fig. 15. p^ 



Niagara shale: Lockport, N. Y. 



1843. Asaphus coryphaeus.. Hall, Geol. N. Y., pt. 4, tab. org. rem. 



19, fig. 3.' 



Niagara: Lockport, N. Y. 



1852. Proetus corycaeus. Hall, Pal. N. Y., vol. 2, p. 315, pi. 67, 

 fig. 15. 



Niagara : Lockport, N. Y. 

 Proetus depressus Weller. 



1903. Proetus ? depressus. Weller, Pal. N. J., vol. 3, p. 249, pi. 

 22, fig. 27. 



Decker Ferry: Nearpass Quarry, N. J. 

 Proetus determinatus Foerste. 



1885. Bathyurus . Foerste, Bull. Sci. Lab. Den. Univ., voK 



1, p. 103, pi. 14, fig. 5. 



Clinton : Near Dayton, Ohio. 



