388 AMERICAN FOSSIL BRYOZOA. [bull. 173. 



Reteporidra perundata (Hall). 



1883. Fenestella peruudata. Hall, Trans. Albany Institute, X, p. 169 (abstract, 

 1881, p. 27). 



1883. Fenestella (Polypora) perundata. Hall, Rep. State Geologist New York 



for the year 1S82, pi. xxxi, 7-13. 

 1885. Polypora perundata. Hall, Rep. State Geologist New York for the year 



1884, pi. i, 3. 

 1887. Fenestella (Polypora) perundata. Hall and Simpson, Pal. New York, VI, 



p. 163, pi. xxxviii, 7-13. 

 1890. Phyllopora superba. Ulrich, Geol. Sur. Illinois, VIII, p. 613, pi. xliv, 6-6c, 



pi. Iv, 9, 9a. 

 1897. Reteporella undulata. Simpson, Fourteenth Ann. Rep. State Geologist 



New York for the year 1894, pi. i, 1-3. 

 Hamilton: Erie County, New York. 

 Obs. Hall and Simpson give this as occurring in the Upper Helderberg 



at Walpole, Ontario, but this is very probably an error. 



RETEPOaiNA D'Orbigny. Genotype: Retepora prisca Goldfuss. 

 1850. Reteporina. D'Orbigny, Prodr. de Pal., I, p. 101. 

 1885. Reteporina. Hall, Rep. State Geologist New York for the year 1884, p. 35. 



1889. Reteporina. Miller, North American Geol. Pal., p. 320. 



1894. Reteporina. Pocta, Syst. Sil. Boheme, VIII, 1. 1, p. 80. 



1895. Reteporina. Simpson, Thirteenth Ann. Rep. State Geologist New York for 



the year 1893, p. 725; Forty-seventh Ann. Rep. New York State Mus., 



p. 919. 

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



for the year 1894, pp. 504, 521 . 

 1899. Reteporina. Grabau, Bull. Buffalo Soc. Nat. Sci., VI, p. 161. 



Reteporina coalescens (Hall and Simpson). 



1887. Fenestella (Reteporina) coalescens. Hall and Simpson, Pal. New York, 

 VI, p. 120. 

 Upper Helderberg: Walpole, Ontario. 



Reteporina flexuosa (Ulrich). 



1890. Fenestella flexuosa. Ulrich, Geol. Sur. Illinois, VIII, p. 548, pi. li,4-4c. 

 1894. Fenestella flexuosa. Keyes, Missouri Geol. Surv., V, p. 24. 



Chester: Sloans Valley, Kentucky. 



Reteporina hamiltonensis (Front). 



1866. Retepora hamiltonensis. Prout, Trans. St. Louis Acad. Sci., II, p. 412. 

 1866. Polypora Hamiltonensis. Prout, Geol. Surv. Illinois, II, p. 423, pi. xxi, 



6, 6«. 

 1876-7. Protoretepora ( Polypora) hamiltoniana. De Koninck, Rech. sur les Foss. 

 Paleoz. delaNouv. Gallesdes Sud, III, p. 179; 1898, Engl. transL, Mem. 

 Geol. Surv. New South Wales, Pal., No. 6, p. 137. 

 1889. Reteporina hamiltonensis. Miller, North American Geol. Pal., p. 320. 

 Hamilton: Buffalo, Iowa: Rock Island, Illinois. 



Reteporina pertollata Hall (not defined). 



1885. Reteporina pertollata. Hall, Rep. State Geologist New York for the year 

 1884, pi. i, 1. 



Reteporina perundulata (Hall). 



1884. Fenestella perundulata. Hall, Thirty-sixth Ann. Rep. New York State 



Mus., p. 63. 

 1887. Fenestella perundulata. Hall, Sixth Ann. Rep. State Geologist New 



York for the year 1886, p. 43, pi. ii, 1-14. 

 1889. Reteporina perundulata. Miller, North American Geol. Pal., p. 320. 



