SPIEOPOEA. 147 



Cricopora tessonis, M'Coy, 1854, Contrib. Brit. Pal. p. 66. 



,, ,, Morris, 1854, Cat. Brit. Foss. ed. 2, p. 121. 



Entalophora ,, D'Orbigny, 1849, op. cit. t. i. p. 318. 

 ,, ,, D'Orbigny, 1852, op. cit. t. v. p. 779. 



,, Pictet, 1857, Traite Pal. ed. 2, t. iv. p. 134. 

 Spiropora Haime, 1854, Bry. jurass. : Mem. Soc. geol. France, ser. 2, 



t. v. p. 195. 

 ,, ,, E. E. Deslongcbamps, 1865, Jur. inf. Norm. : Mem. Soc. 



linn. Norm. t. xiv. p. 151. 

 ,, ,, Vine, 1883, 3rd Rep. Foss. Polyz. : Hep. Brit. Assoc. 



1882, p. 265. 

 ,, Scblippe, 1888, Fauna Bath, oberrh. Tien. : Abh. geol. 



Specialk. Elsass-Loth. Bd. iv livr. 4, p. 97. 

 straminea, non Pbill., Haime, 1854, Bry. jurass. : Mem. Soc. geol. 



France, ser. 2, t. v. p. 196, pi. ix. fig. 6. 

 ,, ,, Terquem, 1855, Pal. dep. Moselle, p. 26. 



,, ,, Ferry, 1862, Bajoc. Maqon : Mem. Soc. linn. Norm. 



t. xii. p. 14. 



,, ,, E. E. Deslongchamps, 1865, op. cit. p. 151. 



,, Friren, 1893, Bry. ool. inf. Metz : Bull. Soc. Hist. nat. 



Metz, ser. 2, t. vi. p. 54. 

 Entalophora Brauns, 1879, Bry. mittl. Jura Metz : Zeit. deut. geol. Ges. 



Bd. xxxi. p. 331. 

 Spiropora ccespitosa, non Lamx., Haime, 1854, op. cit. p. 195 (ex. syn.}, pi. ix. 



fig. 7. 



,, compressa, Haime, 1854, op. cit. p. 197, pi. ix. fig. 5. 

 ,, ,, E. E. Deslongcbamps, 1865, op. cit. p. 151. 



Vine, 1883, 3rd Eep. Foss. Polyz.: Sep. Brit. Assoc. 



1882, p. 265. 



Tubigera compressa, Pictet, 1857, Traite Pal. ed. 2, t. iv. p. 139. 

 Entalophora ,, Vine, 1888, Polyz. Caen: Journ. Northptn. Nat. Hist. 



Soc. vol. v. p. 10. 



Cricopora acutimargo, Waagen, 1868, Zone Amm. sowerbyi: Geogn. Pal. Beitr. 

 Bd. i. Ht. 3, p. 641, pi. xxxiii. fig. 7. 



DIAGNOSIS : 



Zoarium forming very loose tufts. Branches dichotomize 

 irregularly; of medium thickness. Section of branches circular, 

 oval, or compressed. 



Zocecia regularly cylindrical, rather short. Peristomes raised 

 and arranged in regular rows; these are horizontal or slightly 

 oblique. Prom five to seven peristomes can be seen on one side 

 of a branch. The distance between the rows of peristomes is short. 



