224 Bulletin Wisconsin National History Society. [Vol. 9, No. 4. 



Modiomorpha schucherti Cleland. Hamilton (Dev.) 



Wis. Geol. and Nat. Hist. Surv.. Cleland, 1911, Bull. 21, p. 115 



pi. 24, figs. 1, 2, 3. 

 Locality — Milwaukee, Wis. 

 Types — Williams College. 



Mytilarca sp. Cleland. Hamilton (Dev.) 



Wis. Geol. and Nat. Hist. Surv.. Cleland. 1911, Bull. 21, p. 108, 



pi. 22, fig. 3. 

 Locality — Milwaukee, Wis. 

 Type — Mil. Pub. Museum. 



Mytilarca trigonale Cleland. Hamilton (Dev.) 



Wis. Geol. and Nat. Hist. Surv.. Cleland. 1911. Bull. 21. p. 108, 



pi. 22, figs. 4, 5, 6. 

 Locality — Lake Church. Wis. 

 Types — Williams College. 



Nucula levata Hall = Tellinomya levata. 



Nucula lirata Cleland. Hamilton (Dev.) 



Wis. Geol. and Xat. Hist. Surv.. Cleland. 1911. Bull. 21, p. 99, pi. 20, 



figs. 1, 2, 3. 

 Locality — Milwaukee, Wis. 

 Types — Williams College. 



Nuculites laphami Cleland. Hamilton (Dev.) 



Wis. Geol. and Xat. Hist. Surv.. Cleland. 1911. Bull. 21. p. 101. 



pi. 20, fig. 4. 

 Locality — Milwaukee, Wis. 

 Type — Williams College. 



Nuculites milwaukeensis Cleland. Hamilton (Dev.) 



Wis. Geol. and Nat. Hist. Surv.. Cleland. 1911. Bull. 21. p. 100, 



pi. 20. fig. 5. 

 Locality — Milwaukee, Wis. 

 Type — Mil. Pub. Museum. 



Nyassa elongata Cleland. Hamilton (Dev.) 



Wis. Geol. and Nat, Hist. Surv.. Cleland. 1911. Bull. 21. p. Ill, 



pi. 22, figs. 10. 11. 12. 

 Locality — Milwaukee, Wis. 

 Types — Mil. Pub. Museum. 



