BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 957 



Periechocrinus whitfleldi Continued. 



Actinocrinus (Saccocrinus) Whitfieldi Hall, 20th Rep. New York State Cab. Nat. 

 Hist, (extras, 1865), 1868, pp. 326, 391; rev. ed., 1870, pp. 370, 430. 



Actinocrinus Whitfieldi Shumard, Trans. Acad. Sci. St. Louis, 2, 1866, p. 350. 



Periechocrinus whitfieldi Wachsmuth and Springer, Mem. Mus. Comp. Zool. 

 Harvard, 21, 1897, p. 522, pi. 51, figs. 1-4. 



Actinocrinus waldronensis Shumard, Trans. Acad. Sci. St. Louis, 2, 1866, pp. 343, 

 350, footnote. (Proposed in place of A. christyi, 1863. Canceled in note, 

 p. 350.) 



Saccocrinus sacculus Meek and Worthen, Geol. Surv. Illinois, 3, 1868, p. 349. 

 (Proposed in case Chicago specimens should be different.) 



Niagaran: Waldron, Indiana, and Newsom, Tennessee (Waldron); Chicago, Illi- 

 nois (Racine). 



PERIGLTPTOCRINUS Wachsmuth and Springer. 



Genotype: P. billingsi Wachsmuth and Springer. 



Periglyptocrinus Wachsmuth and Springer, Mem. Mus. Comp. Zool. Harvard, 20,, 

 1897, p. 277. Grabau and Shimer, N. A. Index. Fossils, 2, 1910, p. 552. 

 Springer, Zittel-Eastman Textb. Pal., 2d ed., 1913, p. 190. 



Periglyptocrinus billingsi Wachsmuth and Springer. 



Periglyptocrinus Billingsi Wachsmuth and Springer, Mem. Mus. Comp. Zool. 



Harvard, 20, 1897, p. 277, pi. 21, fig. la, b. Springer, Geol. Surv. Canada, 



Mem. 15P, 1911, p. 11 (loc. occ.). 



Glyptocrinus billingsi Miller, 2d App., N. A. Geol. Pal., 1897, p. 746. 

 Trenton (Curdsville): Ottawa and Kirkfield, Ontario. 



Periglyptocrinus priscus (Billings). 



Glyptocrinus priscus Billings, Geol. Surv. Canada, Rep. Progr. 1853-1856, 1857, 

 p. 257; Geol. Surv. Canada, dec. 4, 1859, p. 56, pi. 7, figs, la-lf. Miller, 

 Jour. Cincinnati Soc. Nat. Hist., 6, 1883, p. 225. 



Ptychocrinus priscus Wachsmuth and Springer, Proc. Acad. Nat. Sci. Phila- 

 delphia, 1886, p. 301. (Rev. Pal., pt. 3, p. 225.) 



Periglyptocrinus priscus Wachsmuth and Springer, Mem. Mus. Comp. Zool. Har- 

 vard, 20, 1897, p. 278, pi. 21, fig. 2. Parks, Ottawa Naturalist, 23, 1909, pp. 

 153-155, pi. 3. Grabau and Shimer, N. A. Index Fossils, 2, 1910, p. 552. 

 Springer, Geol. Surv. Canada, Mem. 15P, 1911, p. 11 (loc. occ.). 



Trenton (Curdsville): Renfrew County, Kirkfield, and Balsam Lake, Ontario. 



PERIPLOMA PLANULATA D'Orbigny. See Clidophorus planulatus. 



PERONOPORA (part) Nicholson. See Atactoporella Ulrich and Monticulipora 

 D'Orbigny. 



PERONOPORA Nicholson. Genotype: Monticulipora frondosa Nicholson (not 



D'Orbigny)=Chaetetes decipiens Rominger. 



Peronopora Nicholson, Genus Monticulipora, 1881, pp. 102, 215. Ulrich, Jour. 

 Cincinnati Soc. Nat. Hist., 5, 1882, p. 153. Roemer, Leth. geog., pt. 1, Leth. 

 Pal., 1883, p. 472. Waagen and Wentzel, Pal. Indica, 13th Ser., 1886, p. 

 875. Ulrich, Geol. Surv. Illinois, 8, 1890, p. 370. Zittel's Textb. Pal. (Engl. 

 ed.), 1896, p. 104. Ulrich, ibid., p. 272. Miller, N. A. Geol. Pal., 2d App., 

 1897, p. 729. Nickles and Batsler, Bull. U. S. Geol. Surv., 173, 1900, p. 29. 

 Cumings, 32d Ann. Rep. Dep. Geol. Nat. Res. Indiana, 1908, p. 752. Bassler, 

 Zittel-Eastman Textb. Pal., 1913, p. 332. 



