202 Bulletin Wisconsin National History Society. [Vol. 9. No. 4. 



Holocystites abnormis Hall. Niagara (Sil.) 



Eighteenth Ann. Eept. N. Y. State Cab. of Nat. Hist., Hall, 1864, 



p. 312, pi. 12, figs. 7, S. 

 Locality — Racine, Wis. 

 Types — Am. Mus. of Nat. Hist. 



Holocystites alternatus Hall. Niagara (Sil.) 



Caryocystites alternation, Geol. Surv. Wis. Kept, of Prog., Hall, 



1861, p. 23. 

 Caryocystites alternatum, Geol. of Wis., Hall, 1862, Vol. 1, p. 69, 



fig. 2. 

 Holocystites alternatus, Eighteenth Ann. Eept. N. Y. State Cab. of 



Nat. Hist., Hall, 1864, p. 312, pi. 12, fig. 9, and pi. 12a (1), fig. 6. 

 Locality — Racine, Wis. 

 Types — Am. Mus. of Nat. Hist. 



Holocystites cylindricus Hall. Niagara (Sil.) 



Caryocystites cylindricus, Geol. Surv. Wis. Kept, of Prog., Hall, 



1861, p. 23. 

 Caryocystites cylindricus, Geol. of Wis., Hall, 1S62, Vol. 1, p. 69, 



fig. 1. 

 Holocystites cylindricus, Eighteenth Ann. Eept. N. Y. State Cab. of 



Nat. Hist.. Hall. 1S64. p. 311, pi. 12, figs. 4-6 and pi. 12a (1) 

 fig. 7, 8. 



Obs. The specimen fig. 4. is marked as from Grafton, 

 Wis., it is a characteristic Racine specimen. The 

 writer in thirty years collecting has never seen a 

 specimen collected at Grafton. 

 Locality — Racine and Waukesha. 

 Types — Am. Mus. of Nat. Hist. 



Holocystites ovatus Hall. Niagara (Sil.) 



Eighteenth Ann. Rept. N. Y. State Cab. of Nat. Hist., Hall. 1864, 



p. 313, pi. 12, fig. 2. 

 Locality — Waukesha, Wis. 

 Type — Am. Mus. of Nat. Hist. 



Holocystites scutellatus Hall. Niagara (Sil.) 



Eighteenth Ann. Rept. N. Y. State Cab. of Nat. Hist,. Hall. 1864, 



p. 314, pi. 12. fig. 1. 

 Locality — Waukesha, Wis. 

 Type — Am. Mus. of Nat, Hist. 



