246 Bulletin Wisconsin Natural History Society. [Vol. 9. No. 4 



Nautilus capax Hall. Niagara (Sil.) 



Geol. Surv. Wis., Eept. of Prog., Hall, 1860, p. 3. 



Twentieth Ann. Eept. N. Y. State Cab. of Nat. Hist., Hall, 1867, 



p. 363. 

 Locality — Waukesha, W T is. 

 Type—? 



Nautilus (Lituites) occidentalis Hall = Lituites cancellatus. 



Qncoceras abruptum Hall. Trenton (Orel.) 



Geol. Surv. Wis., Kept, of Prog., Hall, 1861, p. 44. 



Mem, Am. Mus. of Nat. Hist., Whitfield, 1895, Vol. 1, Pt. 2, p. 68, 



pi. 10, figs. 1-3. 

 Locality — Beloit and Platteville, Wis. 

 Types — Am. Mus. of Nat. Hist. 



Oncoceras alceus Hall. Trenton (Ord.) 



Geol. Surv. Wis., Eept. of Prog.. Hall, 1861, p. 46. 



Mem. Am. Mus. of Nat. Hist., Whitfield, 1895, Vol. 1. Pt. 2, p. 70, 



pi. 9, figs. 23-26. 

 Locality — Beloit, Wis. 

 Types — Am. Mus. of Nat. Hist. 



Oncoceras brevicurvatum Whitfield. Trenton (Ord.) 



Ann. Eept. Wis. Geol. Surv., Whitfield, 1879, p. 59. 



Geol. of Wis., Whitfield, 1882, Vol. 4, p. 234, pi. 7, fig. 2. 



Obs. The description of this fossil gives the genus as 

 Oncoceras while the plate gives it as Cyrtoceras. 

 Localit3 r — Beloit, Wis. 

 Type — Univ. of California. 



Oncoceras lycum Hall = Oncoceras lycus. 



Oncoceras lycus (Hall.) Trenton (Ord.) 



Oncoceras lycum, Geol. Surv. Wis., Eept. of Prog., Hall, 1861, 



p. 45. 

 Oncoceras lycus, Mem. Am. Mus. of Nat. Hist., Whitfield, 1895, 



Vol. 1, Pt. 2, p. 69, pi. 9, figs. 13, 14. 

 Locality — Beloit, Wis. 

 Types — Am. Mus. of Nat. Hist. 



