FOKAMINIFERA OF THE WEST OF SCOTLAND. 273 



Lnrne Lough [Fisheries, Ireland, Sci. Invest. 1905, iii. (1906) p. 7] since it was originally 

 recorded from Southport. 



278. Discurbina chasten, var. bispiliosa, Heron-Allen & Earlancl. 

 Discorbina chasteri, var. bispinosa, Heron-Allen & Earland, 1913, CI. p. 129, pi. xiii. fig. 4. 



1 Station. 



A single well-marked individual at Stn. 13. 



279. Discorbina bertheloti (d'Orbigny). 



Rosalinu bertheloti, d'Orbigny, 1839, FIC. p. 135, pi. i. figs. 28-30. 

 Discorbina bertheloti, Brady, 1884, FC. p. C50, pi. Ixxxix. figs. 10-12. 



2 Stations. 



A few good specimens at Stns. 6 and 16. 



280. Discorbina pustulata, Heron-Allen & Earland. 



Discorbina pustulata, Heron- Allen & Earland, 1913, CI. p. 129, pi. xii. figs. 5-7; 1914, etc., FKA. 

 1915, p. 701, pi. Iii. figs. 21-26. 



1 Station. 



A single typical example at Stn. 16. 



281. Discorbina parisiensis (d'Orbigny). 



Rosalina parisiensis, d'Orbigny, 1826, TMC. p. 271. No. 1, Modele No. 38. 

 Discorbina parisiensis, Brady, 1884, FC. p. 648, pi. xc. figs. 5, 6, 9-12. 

 1 Station. 



Two good and typical examples. 



282. Discorbina vesicularis (Lamarck). 



Discorliles vesicularis, Lamarck, 1804, AM. vol. v. p. 183 ; vol. viii. (1806) pi. lxii. fi<*. 7. 

 Discorbina vesicularis, Brady, 1884, FC. p. 651, pi. lxxxvii. fig. 2 a, b, c. 



„ „ Earland, 1905, FBS. p. 224, pi. xii. figs. 9, 10, pi. xiv. fig. 6. 



3 Stations. 



Extremely rare. The specimens are all of the thin-walled type such as are usually 

 found in British shore-gatherings. 



Planorbulina, d'Orbigny. 



283. Planorbulina mediterranensis, d'Orbigny. 



Planorbulina mediterranensis, d'Orbigny, 1826, TMC. p. 280, No. 2. pi. xiv. figs. 4-6, Modele No. 79. 



Brady, 1884, FC. p. 656, pi. xcii. figs. 1-3. 



22 Stations. 



Almost universally distributed in all stages of growth, and often attaining a very 

 large size. 



