402 BULLETIN 103, UNITED STATES NATIONAL MUSEUM. 



Reis^ proposed the name Heterastraea for the genus here named 

 Antiguastrea; but, as R. F. Tomes had used Heterastraea for a genus 

 of Enghsh Liassic corals in 1888,- Reis's name can not stand. Reis's 

 account of the columella in his description of Heterastraea is contra- 

 dictory. Regarding Heterastraea tenuilamellosa (Giimbei) Reis, he 

 says, "zeigen ein verlangertes blattartiges bis papHloses Saulchen." 

 The columella in that species, therefore, is lamellate. 



This genus of corals is important in its bearing on the correUation 

 of American and European Tertiary formations. At the end of his 

 table of the corals from the Reiter Schichten, Reis says:^ ''Aus 

 diesem Tabelle geht unzweifelhaft hervor, dass erstens die Reiter 

 Korallenlager und die vom HaUthurm mit denen von Haering 

 ganzlich stim.men, also keinen tieferem Horizont angehoren konnen 

 und dass zweitens dieser Horizont sowohl durch Haeringer Schichten 

 als auch durch die deutlichsten Beziehungen zu den unter- bis mittel 

 oligocanen KoraUenlagern des Vicentins als solcher festgestellt ist." 

 Reis reports species of Heterastraea from Reit, Castelgom-berto, and 

 Crosara. 



There is in the United States National Museum (No. 155186) a 

 specimen of Heterastraea miclielottina (CatuUo) Reis, received from 

 Prof. K. A. von Zittel. This specimen has a distinct, short, thick,, 

 lamellar columella. It so closely resem.bles Antiguastrea cellulosa 

 that specific distinction is difficult, perhaps even doubtful. Isastrea 

 elegans Reuss is referable to Antiguastrea. It is described after Anti- 

 guastrea cellulosa (see p. 409, pi. 102, figs. 1, la). Astrea alveolaris 

 CatuUo * also belongs to Antiguastrea. Notes on it follow those on 

 A. elegans. 



ANTIGUASTREA CELLULOSA (Duncan). 



Plate 98, figs. 3, 3a, 4, 4o; plate 99, figs. 1, la, 2, 2a, 3, 3o; plate 100, figs. 1, 2, 3, 3a, 



4, 4a; plate 101, figs. 2, 2a. 



1863. Astraea cellulosa Duncan, Geol. Soc. London Quart. Joiirn., vol. 19, pp. 



417, 418, pi. 13, fig. 10. 

 1863. Isastraea turbinata Duncan, Geol. Soc. London Quart. Journ., vol. 19, p. 



423, pi. 14, figs, la-lc. 

 1866. Heliastraea cellulosa Duchassaing and Michelotti, Sup. Mem. CoralL 



Antilles, p. 86 (of reprint). 



1866. Isastraea turbinata Duchassaing and Michelotti, Sup. Mem. CoralL 



Antilles, p. 89 (of reprint). 



1867. Heliastraea cellulosa Duncan, Geol. Soc. London Quart. Journ., vol. 24, p. 24. 

 1867. Isastraea turbinata, Duncan, Geol. Soc. London Quart. Journ., vol. 24, p. 2-5. 

 1870. Heliastraea cellulosa Duchassaing, Rev. Zooph. et Spong. Antilles, p. 30. 



1 Korallen der Reiter Schichten, Bayerisch. geognost. Landesuntersuch, geognost. Jahreshefte, Jahrg. 2^ 

 pp. 150-152, 18S9. 



2 Geo!. Mag.; Dee. 3, vol. 5, pp. 207-218, pi. 7, 1888. 



3 Korallen der Reiter Schichten, p. P). 



4 Dei terreni di Sedimento superiore de!!e Venezie, e dei fossili byrozoari, antozoari, espongiari. ai quali 

 daiiinri:-etto, p. 55, pi. 11, fi?;. 1. Padova, 1S-5f). 



