168 AMEEICAN FOSSIL BRYOZOA. [bull. 173. 



Archimedes laxus (Hall) — Continued. 



1897. Helicopora archimediforniig. Simpson, Fourteenth Ann. Rep. State Geol- 

 ogist New York for the year 1894, fig. 70, ?>, 4 (p. 518). 

 Chester: Chester, Ilhnois; Litchfield, Kentucky. 



Archimedes meekanus (Hall). 



1857. Fenestella (Archimedes) Meekana. Hall, Proc. American Assoc. Adv. 



Sci.,X,p. 178. 

 1890. Archimedes meekanus. Ulrich, Geol. Surv. Illinois,VIII, p. 578, pi. Ixiii, 4. 

 Chester: Chester, Illinois; Sloans Valley and Grayson Springs, Kentucky. 



Archimedes negligens Ulrich. 



1890. Archimedes negligens. Ulrich, Geol. Surv. Illinois, VIII, p. 569, pi. Ixiii, 

 7, la. 

 Keokuk : Keokuk and Bentonsport, Iowa. 



Archimedes owenanus (Hall). 



1857. Fenestella (Archimedes) Owenaua. Hall, Proc. American Assoc. Adv. 



Sci.,X,p. 178. 

 1890. Archimedes owenanus. Ulrich, Geol. Surv. Illinois, VIII, p. 570, pi. Ixiii, 



6-6c. 

 1894. Archimedes owenanus. Keyes, Missouri Geol. Surv., V, p. 26, pi. xxxiii, 2. 

 1882. Archimedes laxa. White, Eleventh Ann. Rep. Indiana Geol. Nat. Hist., p. 



361, pi. xh, 7. 

 Keokuk: Keokuk, Iowa; Appanoosa, near Quincy, Illinois; St. Francis- 



ville, Missouri. 



Archimedes perminimus Ulrich. 



1890. Archimedes perminimus. Ulrich, Geol. Surv. Illinois, VIII, p. 572, j)]. 

 Ixiii, 13, 11 (in part). 

 Chester: Chester, Illinois. 



Archimedes proutanus Ulrich. 



1890. Archimedes proutanus. Ulrich, Geol. Surv. Illinois, VIII, p. 576, pi. Ixiii, 

 3-3c, 11, 116. 

 Chester: Sloans Valley, Kentucky; Chester, Illinois. 



Archiniedes reversa Hall. See Archimedes wortheni Hall. 



Archimedes sublaxus Ulrich. 



1890. Archimedes sublaxus. Ulrich, Geol. Surv. Illinois, VIII, p. 579, pi. Ixiii, 14. 

 Chester: Chester, Illinois. 



Archimedes swallovanus (Hall). 



1857. Fenestella (Archimedes) Swallovana. Hall, Proc. American Assoc. Adv 



Sci., X, p. 178. 

 1890. Archimedes swallovanus. Ulrich, Geol. Surv. Illinois, VIII, p. 574, \A. Ixiii, 



12-12(7. 

 1894. Archimedes swallovanus. Keyes, Missouri Geol. Surv., V, p. 26. 



Chester: Chester and Kaskaskia, Illinois; Crittenden County, Kentucky. 



Archimedes terebriformis Ulrich. 



1890. Archimedes terebriformis. Ulrich, Geol. Surv. Illinois, VIII, p. 575, pi. 

 Ixiii, 5-5o. 

 Chester: Chester, Illinois; Sloans Valley and Grayson Springs, Kentucky. 



Archimedes wortheni (Hall). 



1852. Retepora archimedes. Owen, Rep. Geol. Surv. Wisconsin, Iowa, and 

 Minnesota, pi. iv, 1. 



