POEAMINIFEEA OF THE KEEIMBA AECHIPELAGO. 673 



3 Stations. 



One small but typical specimen at Stn. 7, and less typical individuals at the 

 other Stns. 



297. Polymorphina communis d'Orbigny. 



Poli/iiiorphiiia (Guttulina) communis and problema d'Orbigny, 1826, TMC. p. 266. nos. 14&15, 

 pi. xii. figs. 1-4 ; Modeles nos. 61, 62. 

 communis Eggei-, 1857, MSO. p. 288, pi. ix. (xiii.) figs. 16-18. 



„ Brady, Parker, & Jones, 1870, GP. p. 224, pi. xxxix. fig. 10 a, b. 



Brady, 1884, FC. p. 568, pi. ixxii. fig. 19. 

 „ Millett, 1898, etc., FM. 1903, p. 263 (References). 

 Flint, 1899, RFA. p. 319, pi. Ixvii. fig. 6. 



3 Stations. 



Many small specimens at Stn. 1, and an occasional poorly developed specimen at 

 the other Stns. 



298. Polymorphina sororia Eeuss. 



Polymorphina {Guttulina) sororia Eeuss, 1863, FCA. p. 151, pi. ii. figs. 25-29. 

 „ sororia Brady, 1884, FC. p. 562, pi. Ixxi. figs. 15, 16. 



Egger, 1893, FG. p. 308, pi. ix. fig. 20. 

 „ „ Egger, 1899, KOA. p. 126, pi. xvii. figs. 6, 7. 



Millett, 1898, etc., FM. 1903, p. 265. 

 „ „ Cushman, 1910, etc., PNP. 1913, p. 88, pi. xxx. fig. 3. 



8 Stations. 



Sparingly distributed, but more abundant than any other Polymorphina in the area ; 

 the specimens are all small, the best being at Stns. 3 and 9. 



299. Polymorphina regina Brady, Parker, & Jones. 



Polymorphina regina Brady, Parker, & Jones, 1870, GP. p. 241,pl. xli. fig. 32. 

 semicostata Marsson, 1878, SIR. p. 150, pi. ii. fig. 19. 

 regina Brady, 1884, FC. p. 571, pi. Ixxiii. figs. 11-13. 



„ Egger, 1893, FG. p. 310, pi. ix. figs. 45, 50, 51. 



„ Heron-Allen & Earland, 1908, etc., SB. 1909, p. 435. 



„ Cushman, 1910, etc., FNP. 1913, p. 91, pi. xli. figs. 6, 7. 



2 Stations. 



Two small and weak but recognizable specimens, one at each Stn. 



300. Polymorphina complexa Sidebottom. (Pi. LT. figs. 1-3.) 



Polymorphina"} complexa Sidebottom, 1904, etc., RED. 1907, p. 16, text-figs. 3-7, pi. iv. 

 figs. 1-9. 

 „ Sidebottom, 1910, FBP. p. 22. 



4 Stations. 



This species is represented by a single specimen at each Stn., but all well developed 



5b 2 



