1911] Teller, Fossils from the PalCBOzoic Formation*. 201 



CYSTOIDEA. 



Apiocystites imago Hall. Niagara (Sil.) 



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



p. 314, pi. 12, fig. 12, pi. 12a (1), fig. 9. 

 Locality — Eacine, Wis. 

 Types — Am. Mus. of Nat. Hist. 



Caryocystites alternatum Hall = Holocystites alternatus. 



C'aryocystites cylindricus Hall = Holocystites cylindricus. 



Crinocystites chrysalis Hall. Niagara (Sil.) 



Eighteenth Ann. Kept. N. Y. State Cab. of Nat, Hist,, Hall, 18G4, 



p. 318, pi. 12a (1), figs. 10, 11. 

 Locality — Eacine, Wis. 

 Types — Am. Mus. of Nat. Hist. 



Echinocystites nodosus Hall. Niagara (Sil.) 



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



p. 316, pi. 12, figs. 10, 11. 

 Locality — Eacine, Wis. 

 Types— Am. Mus. of Nat. Hist, 



Qomphocystites clavus Hall. Niagara (Sil.) 



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



p. 310, pi. 12a (1), fig. 3. 

 Locality — Eacine, Wis. 

 Type—? 



Qomphocystites glans Hall. Niagara (Sil.) 



Eighteenth Ann. Eept, N. Y. State Cab. of Nat, Hist., Hall. 1S64, 



p. 310, pi. 12, fig. 14, pi. 12a (1), figs. 4, 5. 

 Locality — Eacine. Wis. 

 Types — Am. Mus. of Nat. Hist. 



Hemiscosmites subglobosus Hall. Niagara (Sil.) 



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



p. 316, pi. 12, fig. 13. 

 locality — Eacine, Wis. 

 Type — Am. Mus. of Nat. Hist. 



