NicKLEs AM. BAssLKR.] CATALOGUE OF GENERA AND SPECIES. 311 



Lyropora retrorsa (Meek and Worthen) — Continued. 



1894. Lyropora retrorsa. Keyes, Missouri Geol. Sur. , \', \>. 27, pi. xxxiv, 4. 

 Burlington: Burlington, Iowa. 



Lyropora subquadrans (Hall). 



1857. Feuestella (Lyropora) subquadrans. Hall, Proc Anierictaii Assoc. Adv. 



Sci.,X,p. 180. 

 1890. Lyropora subquadrans. ITlrich, Geol. Sur. Illinois, VIII, p. 582, i>l. Iviii, 



2-2<'. 

 1894. Lyropora subquadrans. Keyes, Missouri Geol. Sur., V, p. 27. 

 1897. Lyroporidra subquadrans. Simpson, Fourteenth ,\nn. Rep. State Geolo- 

 gist New York for the year 1894, pi. ix, 19. 

 Chester: Chester, Illinois; Sloans Valley, Kentucky. 



Lyropora subquadrans-lyra (Hall). 



1857. Fenestellu (Lyropora) lyra. Hall, Proc. American Assoc. Adv. Sci., X, 



p. 179. 

 1890. Lyropora subquadrans var. lyra. Ulrich, Geol. Sur. Illinois, VIII, p. 58.3. 

 Chester: Kaskaskia and Chester, Illinois. 



Lyroporella Simpson. See Lyropora Hall. 



Lyroporella quincuncialis Simpson. See Lyropora quincuncialis (Hall). 



Lyroporidra Simpson. See L3"ropora Hall. 



Lyroporidra subquadrans Simpson. See Lyropora subquadrans (Hall). 



Lyroporina Simpson. See Lyropora Hall. 



MEEKOPORA Ulrich. Genotype: Meekopora eximia Ulrich. 



1890. Meekopora. Ulrich, Geol. Sur. Illinois, VIII, pp. 383, 482. 



1889. Meekopora. (Ulrich, in press). Miller, North American Geol. Pal., p. 312. 



1896. Meekopora. Ulrich, Zittel's Text)). Pal. (Engl. ed. ) , p. 270. 



1897. Meekapora. Simpson, Fourteenth Ann. Rep. State Geologist New York 



for the year 1894, p. 538. 



Meekopora ? aperta Ulrich. 



1890. Meekopora ? aperta. Ulrich, Geol. Sur. Illinois, VIII, p. 485, pi. Ixxvi, 1 , 1 a. 

 Keokuk: Kings iNIountain, Kentucky. 



Meekopora approximata Ulrich. 



1890. Meekopora approximata. Ulrich, Geol. Sur. Illinois, VIII, p. 484, i)l. 



Ixxvii, 5. 

 1894. Meekopora approximata. Keyes, Missouri Geol. Sur. , V, p. 16. 

 Chester: Chester, Illinois; Sloans Valley, Kentucky. 



Meekopora clausa (Ulrich). 



1884. Fistulipora ? clausa. Ulrich, Jour. Cincinnati Soc. Nat. Hist., VII, p. 47, 

 pi. iii, 4-46. 



1889. Meekopora clausa. Miller, North American Geol. Pal., fig. 494 (p. 313). 



1890. Meekopora clausa. Ulrich, Geol. Sur. Illinois, VIII, p. 485, pi. Ixxvi, 6, 



pi. ixxvii, 7-76, fig. be (p. 315). 

 1894. Meekopora clausa. Keyes, Missouri Geol. Sur., V, p. 17. 

 1897. Meekapora clausa. Simpson, Fourteenth Ann. Rep. State (ieologist New 



York for the year 1894, fig. 94 (in part) (p. 538). 

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



Meekopora eximia Ulrich. 



1890. Meekopora eximia. Ulrich, Geol. Sur. Illinois, VIII, !>. 483, j)!. Ixxvii, 

 6-6d. 



