444 SYSTEMATIC PALEONTOLOGY 



grouped into rounded, gibbous, or digitiform masses. Septal margins 

 dentate. Eeproduction normally by gemmation between the corallites, 

 occasional abnormal reproduction by fission." ^ 

 Type genus Orbicella Dana. 



Genus SEPTASTREA d'Oibigny. 

 Septasteea makylandica (Conrad). 

 Plate CXXVI, Figs, la, lb, 2; Plate CXXVII, Figs. 1-3; 

 Plate CXXVIII, Figs. 1, 2; Plate CXXIX. 



Astrea sp. W. B. and H. D. Rogers, 1837, Trans. Amer. Philos. Soc, vol. v, p. 3.S8. 



AsLrea marylandica Conrad, 1841, Proc. Acad. Nat. Sci. Phila., vol. i, p. 33. 



Astrea marylandica Conrad, 1843, Jour. Acad. Nat. Sci. Phila., vol. viii, 1st ser., 



p. 189. 

 Columnaria (?) sexradiata Lyell, 184.5, Quart. Jour. Geol. Soc. London, vol. i, pp. 



416-434. 

 Astrea hirtolamellata (?) Lyell, 1845, Quart. Jour. Geol. Soc. London, vol. i, p. 434. 

 Oolumuaria (?) sexradiata Lonsdale, 184.5, Quart. Jour; Geol. Soc. London, vol. i, 



p. 497, ligs. a, b. 

 Astrea hirtolamellatit Lonsdale, 1845, Quart. Jour. Geol. Soc. London, vol. i, p. 500, 



fig. (?) 

 Astrce marylandica Conrad, 184(5, Amer. Jour. Sci., ser. ii, vol. i, p. 330. 

 Colum7iaria (Astroites ?) sexradiata Dana, 1846, Amer. Jour. Sci., ser. ii, vol. i, p. 231. 

 Pleiadia or Astroites hirtolamellata Dana, 1846, Amer. Jour. Sci., ser. ii, vol. i, p. 331. 

 Astroites sexradiata Dana, 1846, Zooph. Wilkes Expl. Exped., p. 733. 

 Columnaria (?) sexradiata Lonsdale, 1847, Amer. Jour. Sci., ser. ii, vol. iv, p. 858. 

 Astrcea marylandica Lonsdale, 1847, Amer. Jour. Sci., ser. ii, vol. iv., p. 359. 

 (Allied to Caryophyllia family) Dana, 1847, Amer. Jour. Sci., ser. ii, vol. iv, p. 361. 

 ? Astrcea marylandica Tuomey, 1848, Report Geol. South Carolina, pp. 182, 208. 

 Dipsastrcea hirtolamellata (?) BrOnn, 1848, Hand. Gesch. Nat., Index Pal., p. 126. 

 Columnaria (?) sexradiata Bronn, 1848, Hand. Gesch. Nat., Index Pal., p. 821. 

 Septastrea subra>nosa {nom. nud.) d'Orbigny, 1849, Note sur des Polyp. Foss., p. 9. 

 Septastrea forbesi Milne-Edwards and Haime, 1849, Ann. Sci. Nat. Zool., 3rd ser., 



vol. xii, p. 164. 

 Septastrea forbesi Milne-Edwards and Haime, 1851, Archiv Mus. Hist. Nat. Paris, 



vol. v, p. 115. 

 Septastrea subramosa d'Orbigny, 1853, Prod. Pal. Strat., vol. iii, p. 146. 

 Astrea marylandica Tuomey and Holmes, 1857, Pleiocene Fossils of South Carolina, 



p. 2, pi. i, figs. 3, 2a. 

 Septastrma forbesi Milne-Edwards and Haime, 1857, Hist. Nat. CoralL, vol. ii, 



p. 4.50. 

 Astrangia (?) marylandica Milne-Edwards and Haime, 1857, Hist. Nat. Corall., 



vol. ii, p. 615. 



iBull. U. S. Fish Com. for 1900, vol. ii, p. 300, 1901. 



