252 Bulletin Wisconsin Natwal History Society. [Vol. 9, No. 4 



Spirodentalium osceola Walcott. Cambrian. 



Proc. U. S. Nat. Mus., Walcott, 1890, Vol. 13, p. 271, pi. 20, fig. 12. 

 Locality — Osceola Mills, Wis. 

 Types — U. S. Nat. Museum. 



Theca parviusculus Hall. Trenton (Ord.) 



Geol. of Wis.. Hall. 1862. Vol. 1. p. 55, fig. 10. 



Locality — ? 



Type—? 



Theca primordialis Hall = Hyolithes primordialis. 



VERMES. 



Arabellites crescentum Cleland. Hamilton (Dev.) 



Wis. Geol. and Nat. Hist. Surv., Cleland. 1911. Bull. 21, p. 45, 



pi. 4, fig. 1. 

 Locality — Milwaukee. Wis. 

 Type — Williams College. 



Arenicolites woodi Whitfield. Potsdam. 



'Scolithus ? woodi, Ann. Kept. Geol. Surv. Wis., Whitfield, 1879, 



p. 45. 

 Arenicolites woodi, Geol. of Wis.. Whitfield. 1882, Vol. 4, p. 177. 



pi. 11, figs. 1-3. 

 Locality — Devil's Lake, Wis. 

 Types — Univ. of Wisconsin. 



Autodetus apicatus Cleland. Hamilton (Dev.) 



Wis. Geol. and Nat. Hist. Surv.. Cleland. 1911. Bull. 21. p. 47, 



pi. 4, figs. 4, 4a. 

 Locality— Milwaukee, Wis. 

 Types— Collection of Edgar E. Teller. 



Cornulites sp. Cleland. Hamilton (Dev.) 



Wis. Geol. and Nat. Hist. Surv., Cleland. 1911. Bull. 21. p. 46. 



pi. 4, fig. 2. 

 Locality — Milwaukee, Wis. 

 Type— Collection of Edgar E. Teller. 



Scolithus ? woodi Whitfield = Arenicolites woodi. 



