68 M. F0SL1E. [1905 



f. squarrulosa Fosl. 



Rev. Syst. Surv. Melob. (1900), p. 13, Lithoth. Adriat. Meer. etc. (1904), 

 p. 9, 13, 32, t. 2, fig. 1-14. 



f. coralloides (Cm.) Fosl. mscr. 



Lithothamnion coralloides Crn. Fl. Finist. (1867), p. 151, t. 20, gen. 133, 

 fig. 8 — 9, Spongites coralloides Crn. Alg. Mar. Finist. no. 242 ! L. coralloides f. 

 australis Fosl. Norw. Lithoth. (1895), p. 62, partim, pi. 16, fig. 24—25, 27 — 31; 

 L. coralloides Fosl. Some new or crit. Lithoth. (1898), p. 7 (excl. f. minuta); 

 De Toni, Syll. Alg. IV (1905), p. 1744. 



f. compressa (M'Calla) Fosl. 



On some Lithoth. (1897), p. 9, Lithoth. Adriat. Meer. etc. (1904), p. 32, t. II, 

 fig. 15—23; Melobesia compressa M'Calla sec. Harv. Man. 2 (1849), p. 108; 

 Lithothamnion coralloides f. flabelligera Fosl. Norw. Lithoth. (1895), p. 62, pi. 16, 

 fig. 32-37. 



f. palmatifida Fosl. 



Rev. Syst. Surv. Melob. (1900), p. 13; L. squarrulosum f. palmatifida Fosl. 

 Some new or crit. Lithoth. (1898), p. 6. 



f. subsimplex (Batt.) Fosl. 



Rev. Syst. Surv. Melob. (1900), p. 13; Lithothamnion coralloides f. subsim- 

 plex Batt. in Journ. Bot. (1892), p. 8, Fosl. Norw. Lithoth. (1895), p. 62, pi. 16, 

 fig. 38—42. 



Syn: Corallium pumilum Ellis, Corall. (1767), p. 83, t. 27, fig. C. 

 Millepora polymorpha Ell. et Sol. Zooph. (1786), p. 130. 

 Millepora informis Lam. Anim. s. vertebr. 2 (1836), p. 311? 

 Nullipora calcarea Jonst. Brit. Spong. and Lithoph. (1842), p. 240, pi. 



XXIV, fig. 4. 

 Melobesia calcarea Harv. Phyc. Brit. (1846—51), pi. 291. 

 Spongites calcarea Kutz. Spec. Alg. (1849), p. 699. 

 Lithothamnion ramulosum Solms Corall. Monogr. (1881), p. 19, partim. 

 coralloides Born. Alg. Schousb. (1892), p. 349. 

 „ squarrulosum Fosl. Some new or crit. Lithoth. (1898), p. 6. 



„ calcareum Traill, Mar. Alg. Orkney Isl. (1890), p. 36; 



Debr. Cat. Alg. Maroc. etc. (1897), p. 72! Johnst. and Hensm. Irish Corall. (1899), 

 p. 28! Batt. Cat. Brit. Mar. Alg. (1902), p. 97! De Toni, Syll. Alg. IV (1905), 

 p. 1745; Chalon, Liste Alg. Mar. (1905), p. 206, partim! 



As the author of this species I quote Mr. Pallas, as the 

 Millepora calcarea, described by him 1. c, at any rate partly, is 

 identic with „Corallium pumilum album" Esper, and the latter 

 must now be considered as an unquestionable L. calcareum. On 

 the contrary, the Millepora calcarea from the Mediterranean, de- 



