300 



Prof. J. W. Gregory. 



Species 1. — Polytremacis blainvillei (Michelin), 1841. 



Synonymy, — Reliopora hlainvilliana, Michelin, 1841. 'Icon. Zooph., 



p. 27, Plate 7, fig. 6. 

 non „ „ Quenstedt, 1852, 1867, 1880, and 



1885. 



Polytremacis „ d'Orbigny, 1850. 'Prod. Pal.,' vol. 2, 

 p. 209. 



„ Milne Edwards and Haime, 1851. 

 " Polyp- palseoz.," * Archiv. Mus. 

 Hist, nat.,' vol. 5, p. 149. 

 mn „ blainvilleana, von Eeuss, 1854. " Kreid. Ostalp.," 

 •Denk. Akad. Wiss. Wien,' vol. 

 7, p. 131, Plate 24, figs. 4-7. 

 „ „ joars, Milne Edwards and Haime, 



^ 1860. 'Hist. nat. Cor.,' vol. 3, 



p. 232. 



„ „ ;pars, Sardeson, 1896. " Bezieh. 



Tabul.," 'N. Jahrb.,' Beil. Bd. 10, 

 pp. 261-262. 



„ „ Lind Strom, 1899. " Heliolitidse, " 



'Handl. k. Svensk. Vet.-Akad.,' 

 vol. 32, No. 1, p. 28. 



Characters. — Calicles very crowded over most of the corallum. 

 Calicles 1-1*5 mm. in diameter. Septal ridges from 16 to 22 ; very 

 short. 



Distribution. — ^Turonian. Uchaux, Vaucluse; 



Species 2. — Polytremacis partschi, von Eeuss, 1854. 



Synonymy, — Polytremacis partschi, von Eeuss, 1854. "Kreid. Ostalp.," 



' Denk. Akad. Yfiss. Wien.,' vol. 7, 

 p. 131, Plate 24, figs. 1-3. 

 „ Sardeson, 1896. "Bezieh. Tabul.,' 

 ' N. Jahrb.,' Beil. Bd. 10, p. 260. 

 Heliopm-a „ Milne Edwards and Haime, 1860. 



' Hist. nat. Cor.,' vol. 3, p. 231. 

 „ von Zittel, 1879. ' Handb. Pal.,' vol. 

 1, p. 212, fig. 122. 

 „ &/amw7/m?ift, Quenstedt, 1852. ' Handb. Petref.,' 



p. 645, Plate 57, fig. 8. 

 i, „ Quenstedt, 1867. Op. cit., edit. 2, p. 



775, Plate 74, fig. 8. 



