198 THE CHICAGO ACADEMY OF SCIENCES. 



Dicranopeltis decipiens (W. & M.). 



1865. Lichas brev iceps ? Hall, Adv. Sheets, 18th Rep. N. Y. St.- 

 Cab. Nat. Hist., p. 30 (not L. breviceps. Hall, 1864). 

 Niagara: Bridgeport, 111. 



1865. Lichas decipiens. W. & M., Mem. Bost. Soc. Nat. Hist., 



vol. 1, p. 104, pi. 3, fig. 11. 



Niagara: Bridgeport, 111. 



1867. Lichas breviceps ? Hall, 20th Rep. N. Y. St. Cab. Nat. Hist., 

 p. 334; p. 377, pi. 21, figs. 12-14. 



Niagara: Bridgeport, 111.; Grafton, Wis. 



1870. Lichas breviceps ? Hall, 20th Rep. N. Y. St. Cab. Nat. Hist, 

 (rev. ed.), p. 424, pi. 21, -figs. 12-14. 



Niagara: Bridgeport, 111.; Grafton, Wis. 

 1879. Lichas emarginatus. Hall, 28th Rep. N. Y. St. Mus. Nat. 



Hist. (mus. ed.), p. 199. 



1907. Dicranopeltis decipiens. Weller, This Bulletin, p. 237, pi. 22, 

 figs. 10-11. 



Niagaran: Bridgeport, Hawthorn and near Lemont, 111. 

 Dicranopeltis nasuta Weller. 



1907. Dicranopeltis nasuta. Weller, This Bulletin, p. 240, pi. 22, 

 figs. 5-7. 



Niagaran: Milwaukee, Wis. 

 Dicranopeltis telleri Weller. 



1907. Dicranopeltis telleri. Weller, This Bulletin, p. 241, pi. 22, 

 figs. 8-9. 



Niagaran: Milwaukee, Wis. 



ENCRINURUS Emm., 1844. 

 Encrinurus americanus Vogdes. 



1866. Encrinurus americanus. Vogdes, Desc. New Crust. Clint. 



of Ga., etc., p. 1. 



Clinton: Near Catoosa Statipn, Georgia. 



1887. Encrinurus americanus. Foerste, Bull. Sci. Lab. Den. 

 Univ., vol. 2, p. 102. 

 Clinton: Georgia. 

 Encrinurus egani S. A. M. 



1880. Encrinurus egani. S. A. M., Jour. Cinn. Soc. Nat. Hist., vol. 7 ' 

 2, p. 254, pi. 15, figs. 1-lb. 



Niagara: Joliet, 111. 



1907. Encrinurus egani. Weller, This Bulletin, p. 257, pi. 24, figs. 

 8-11. 



Niagaran: Joliet and near Lemont, 111. 

 Encrinurus indianensis Kindle. 



1904. Encrinurus indianensis. Kindle, 28th Ann. Rep. Dep. Geol. 

 and Nat. Res., Indiana, p. 482, pi. 24, figs. 14-15. 



Niagara: Connor's Mill, Fishersburg, Huntington, Little 



Deer Creek and Wabash, Ind. 

 Encrinurus nereus Hall. 



1865. Encrinurus . sp. Hall, Adv. Sheets, 18th Rep. N. Y. 



St. Cab. Nat. Hist., p. 30. 

 Niagara: Racine, Wis. 



