BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 669 



Ischadites clrcularls Continued. 



Ischadites circularis Winchell and Schuchert, Geol. Minnesota, 3, pt. 1, 1895, p.65. 

 Lorraine shales: New York. 



Ischadites cyathiformis (Hall). 



cyathiformis Hall, Pal. New York, 1, 1847, p. 72, pi. 25, figs. 6a-6c. 

 Ischadites cyathiformis Winchell and Schuchert, Geol. Minnesota, 3, pt. 1, 1895, 



p. 65 (extr., 1893). 



Palseospongia cyathiformis d'Orbigny, Prodr. d. Pal., 1, 1849, p. 26 (gen. ref.). 

 Palseochonia cyathiformis Fromental, Introduction Etude Eponges Foss., Caen., 



1859, p. 45. 

 Mohawkian (Chambersburg): Carlisle, Pennsylvania. 



ISCHADITES DICKHAUTI James. See Lepidolites dickhauti. 

 ISCHADITES ELONGATUS James. See Lepidolites dickhauti. 



ISCHADITES HEMISPHERICUS Winchell and Marcy. See Receptaculites hemispher- 

 icus. 



Ischadites insularls (Billings). 



Receptaculites? insularis Billings, Cat. Silurian Foss. Anticosti, Geol. Surv. 



Canada, 1866, p. 29. Hinde, Quart. Jour. Geol. Soc. London, 40, 1884, p. 



846. Winchell and Schuchert, Geol. Minnesota, 3, pt. 1, 1895, p. 61 (extr., 



1893). 

 Gamachian (Ellis Bay): Gamache Bay, Anticosti. 



Ischadites iowensis (Owen). 



Selenoides iowensis Owen, Geol. Surv. Wisconsin, Iowa, Minnesota, 1852, p. 587, 



pi. 2B, fig. 13. 

 Receptaculites (Selenoides) iowensis Hall, Rep. Geol. Surv. Wisconsin, 1861, p. 



14. Billings, Pal. Foss., 1, Geol. Surv. Canada, 1865, p. 385, fig. 364. Hall, 



16th Ann. Rep. New York State Cab. Nat. Hist., 1863, pp. 68, 69. Billings 



Canadian Nat. and Geol., 2d ser., 2, 1865, p. 191, fig. 11. Lesley, Geol. Surv. 



Pennsylvania, Rep. P 4, 1889, p. 852, fig. Winchell and Schuchert, Geol. 



Minnesota, 3, pt. 2, 1893, p. 64, pi. F, figs. 5-6. Whiteaves, Pal. Foss., Geol. 



Surv. Canada, 3, pt. 3, 1897, p. 143. Schuchert, Proc. U. S. Nat. Mus., 22, 



1900, p. 153. 

 Receptaculites (Ischadites) iowensis Grabau and Shimer, N. A. Index Fossils, 1, 



1906, p. 19, fig. 30. 



OrbitulitesreticulataOwen, Geol. Rep. Iowa, Wisconsin, Illinois, 1844, pi. 18, fig. 7. 

 Receptaculites reticulata Hall, Rep. Supt. Geol. Surv. Wisconsin, 1861, p. 11 



(gen. ref.). 

 Receptaculites fungosum Hall, Rep. Geol. Surv. Wisconsin, 1861, p. 15.^-Whit- 



field, Mem. Amer. Mus. Nat. Hist., 1, pt. 2, 1895, p. 45, pi. 5, figs. 5, 6. 

 Receptaculites globulare Hall, Rep. Geol. Surv. Wisconsin, 1861, p. 16. Meek 



and Worthen, Geol. Surv. Illinois, 3, 1868, p. 301, pi. 2, figs. 2a-b. Whitfield, 



Mem. Amer. Mus. Nat. Hist., 1, pt. 2, 1895, p. 44, pi. 5, fig. 7. 

 Receptaculites sp. Meek and Worthen, Geol. Surv. Illinois, 3, 1868, pt. 3, p. 301, 



pi. 2, figs, la, b. 



Ischadites koenigii (part) Hinde, Quart. Jour. Geol. Soc. London, 40, 1884, p. 836. 

 Trenton (Prosser-Galena): Iowa; Illinois; Wisconsin; Minnesota and Manitoba. 



ISCHADITES KCENIGH Hinde (part). See Ischadites iowensis and I. subturbinatus. 



