236 Bulletin Wisconsin Natural History Society. [Vol. 9, No. 4. 



Pleurotomaria (TrochonemaJ hoyi = Pleurotomaria hoyi. 



Pleurotomaria idia Hall. Niagara (Sil.) 



Geol. of Wis., Eept. of Prog-., Hall, 1861, p. 35. 



Twentieth Ann. Eept. N. Y. State Cab. of Nat. Hist., Hall, 1S67, 



p. 365, pi. 15 (6.), figs. 15, 16. 

 Locality — Eacine, Wis. 

 Types— Am. Mus. of Nat. Hist. 



Pleurotomaria labrosa var. occidens Hall = Pleurotomaria occidens. 



Pleurotomaria laphami Whitfield. Niagara (Sil.) 



Ann. Eept. Geol. Snrv. Wis.. Whitfield. 1877, p. 84. 

 Geol. of Wis., Whitfield. 1882, Vol. 4. p. 296, pi. IS. fig. 9. 

 Locality — Ashford. Wis. 

 Type — Univ. of Wisconsin. 



Pleurotomaria (Raphistoma) micula Hall = Raphistoma micula. 



Pleurotomaria (Raphistoma) nasoni Hall = Pleurotomaria nasoni. 



Pleurotomaria nasoni Hall. Trenton (Ord.) 



Pleurotomaria (Raphistoma) nasoni, Geol. Surv. Wis.. Eept. of 



Prog., Hall. 1861, p. 34. 

 Raphistoma nasoni, Geol. of Wis.. Whitfield, 18S2, Vol. 4, p. 215, 



pi. 6, figs. 2, 3. 

 Pleurotomaria nasoni, Mem. Am. Mus. of Nat. Hist.. Whitfield, 



1895, Vol. 1, Pt. 2, p. 61, pi. 8, figs. 4-7. 

 Locality — Beloit, Wis. 

 Types — Am. Mus. of Nat. Hist. 



Pleurotomaria niota Hall. Trenton (Ord.) 



Geol. Surv. Wis.. Eept. of Prog., Hall. 1861, p. 33. 



Mem. Am. Mus. of Nat. Hist., Whitfield, 1895, Vol. 1. Pt. 2. p. 60, 



pi. 8, fig. 11. 

 Locality — Beloit, Wis. 

 Types — Am. Mus. of Nat. Hist. 



Pleurotomaria occidens Hall. Niagara (Sil.) 



Pleurotomaria laorosa var. occidens, Eighteenth Ann. Eept. N. Y. 



State Cab. of Nat. Hist., Hall, 1864, p. 343. 

 Pleurotomaria occidens, Twentieth Ann. Eept. N. Y. State Cab. 



of Nat. Hist., Hall, 1S67, p. 364. pi. 15 (6.), figs. 11, 12. 

 Locality — Eacine, Wis. 

 Types — Am. Mus. of Nat. Hist. 



