600 Transactions of the Society. 



Nonionina orbicularis Brady, plate XI. fig. 1. 



Nonionina orbicularis Brady, 1881, Denkscbr. k. Akad. Wiss. 

 Wien., vol. xliii. p. 105, pi. ii. fig. 5. N. dzpressula var. orbicularis 

 (Brady) Madsen, 1895, Medd. Dausk Geol. Forening, No. 2, p. 217, 

 pi. fig. 7. 



This essentially northern form is very rare, and represented 

 only at Station 22, in Area 2. The examples are quite charac- 

 teristic, even to the granulation of the sutures shown in Brady's 

 figures. 



Nonionina stelligera d'Orbigny. 



Nonionina stelligera d'Orbigny, 1839, Foram. Canaries, p. 128, 

 pi. iii. figs. 1, 2. N. stelligera (d'Orb.) Fornasini, 1889, Minute 

 forme Eizopod. Eetic, pi., fig. 32. N. stelligera (d'Orb.) Egger, 1893, 

 Abhandl. k. bayer. Akad. Wiss., CI. II. vol. xviii. p. 425, pi. xix. 

 fig. 44. N. stelligera (d'Orb.) Goes, 1894, K. Svenska Yet.-Akad. 

 Handl., vol. xxv. p. 104, pi. xvii. figs. 827, 828. N. stelligera 

 (d'Orb) Morton, 1897, Proc. Portland Soc. Nat Hist., vol. ii. 

 p. 121, pi. i. fig. 18. N. stelligera (d'Orb.) (N. elegans d'Orb.) For- 

 nasini, 1899, Mem. B. Accad. Sci. 1st. Bologna, ser. 5, vol. vii. p. 654, 

 %. 5. 



This occurs at Stations in both Areas, but is very rare. 



Nonionina umbilicatula Montagu sp. 



Nautilus umbilicatulus Montagu, 1803, Test. Brit., p. 191 ; 

 Suppl., p. 78, pi. xviii. fig. 1. Nonionina asterizans (F. and M.) var. 

 umbilicatula Parker and Jones, 1859, Ann. and Mag. Nat. Hist., 

 ser. 3, vol. iv. p. 347. N. umbilicatula (Montagu) Brady, Parker, 

 and Jones, 1888, Trans. Zool. Soc, vol. xii. p. 230, pi. xliii. fig. 19. 

 N. umbilicatula (Montagu) Egger, 1893, Abhandl. k. bayer. Akad. 

 Wiss., CI. II. vol. xviii. p. 426, pi. xix. figs. 36, 37. N. umbilicatula 

 (Montagu) Silvestri, 1893, Atti e Eendic. Acad. Sci. Lett e Arti 

 dei Zelanti di Acireale, vol. v. p. 20, pi. iii. figs. 26, 27. N. umbili- 

 catula (Montagu) Goes, 1894, K. Svenska Yet.-Akad. Handl., 

 vol. xxv. p. 103, pi. xvii. fig. 823. N. Soldanii (d'Orb.) Egger, 1895, 

 Naturhist. Yer. Passau, Jahresber. xvi. p. 40, pi. iii. fig. 18. N. 

 umbilicatula (Montagu) Jones, 1897, Palasont Soc, p. 345, fig. 29. 

 N. umbilicatula (Montagu) var. depressula Silvestri, 1899, Mem. 

 Pontif. Accad. Nuovi Lincei, vol. xv. p. 331, pi. vi. fig. 15. N Sol- 

 danii (d'Orb.) Egger, 1899, Abhandl. k. bayer. Akad. Wiss., CI. II. 

 vol. xxi. p. 174, pi. xxii. figs. 7, 8. N umbilicatula (Montagu) Chap- 

 man, 1900, Proc. California Acad, of Sci., ser. 3, Geol., vol. i. 

 p. 256, pi. xxx. fig. 15. 



A few characteristic examples occur at Stations in both Areas. 



