1911] Teller, Fossils from the Puheozoic Formations. 221 



Cypricardites niota Hall. Trenton (Ord.) 



Geol. Surv. Wis., Eept. of Prog-., Hall, 1861, p. 20. 



Geol. of Wis., Whitfield, 18S2, Vol. 4. p. 208, pi. 5, fig. 10. 



Mem. Am. Mus. of Nat. Hist., Whitfield, 1895, Vol. 1, Pt. 2, p. 54, 



pi. 6, figs. 17-20. 

 Locality — P>eloit, Wis. 

 Types — Am. Mus. of Nat. Hist. 



Cypricardites rectirostris Hall. Trenton (Ord.) 



Geol. Surv. Wis., Eept. of Prog., Hall, 1861, p. 29. 



Mem. Am. Mus. of Nat. Hist., Whitfield, 1895, Vol. 1, Pt. 2, p. 55, 



pi. 6, figs. 21-25. 

 Locality — Janesville, Wis. 

 Types — Am. Mus. of Nat. Hist. 



Cypricardites rotundatus Hall. Trenton (Ord.) 



Geol. Surv. Wis., Eept. of Prog., Hall, 1861, p. 29. 



Geol. of Wis., Whitfield, 1882, Vol. 4, p. 208, pi. 5, fig. 11. 



Mem. Am. Mus. of Nat. Hist., Whitfield, 1895, Vol. 1, Pt. 2, p. 53, 



pi. 6, figs. 13-16. 

 Locality — Beloit and Janesville, Wis. 

 Types — Am. Mus. of Nat. Hist. 



Cyrtodonta billingsi Ulrich. Trenton (Ord.) 



Geol. and Nat. Hist. Surv. Minn., Ulrich, 1S97, Vol. 3, Pt. 2, p. 538, 

 pi. 40, figs. 2-6. 

 Locality — Beloit and Janesville, Wis. 

 Types — Minn. State Museum. 



Cyrtodonta janesvillensis Ulrich. Trenton (Ord.) 



Geol and Nat. Hist. Surv. Minn., Ulrich, 1897, Vol. 3, Pt. 2, p. 537, 



pi. 39. figs. 26, 27. 

 Locality — Beloit and Janesville, Wis. 

 Types — Minn. State Museum. 



Cyrtodonta oviformis Ulrich. Trenton (Ord.) 



Geol and Nat. Hist. Surv., Minn., Ulrich, Vol. 3, Pt. 2, p. 544, pi. 39, 



fig. 46, pi. 40, fig. 1. 

 Locality — Janesville, Wis. 

 Types — Minn. State Museum. 



