KONGL. SV. VET. AKADKMIENS HANDI.INGAR. BAND 25. N:O 9. 63 



2. carinata aut. carinato-alata, stadio juvenili spinis duabus pr.npdito marginalibus. 



C. Spilligera BRADY, Tab. XI, ff. 614615. 



Vagin. spinigera BRADY, 1884, Chall. Rep. 9, p. 531, t. 67, ff. 1314. 



Hah. mare Atlant. boreale pro fund. metr. 1150 rara (Jos. LTNDAHL). 



3. elongata, nunc recta nunc curvata, plus minusve complanata, interdum carinato- 



ala-ta. A typica non sat distincta, aliquando ut varietas Crist, rotulata 

 aptius collocanda videtur; sa^pe megaspha>rica. 



C. SUbai'CUatula MONTAG. Tab. XI, figg. 630637. 



Figg. 630 631: exeinplum e sinu Skagerack. 



Figg. 632 633: e Soderfjord Norvegiaa, profund. metr. 450. 



Figg. 634 635: e inari Atlantico boreali profund. metr. 530. 



Figg. 636 637: e mari extra Azores insulas, profund. metr. 500 (SMITT & LJUNGMAN). 



Nautilus subarcuatulus MONTAG., 1808, Test. Brit. Supplem., p. 80, t. 19, f. 1 (limbata, minuta). 

 Crist, subarcuatula var. WILLIAMS, 1858, Rec. For. Gr. Brit., t. 2, f. 62. 



calcar var. marginulinoides PARK. & JONES, 1857, For. Coast Norway, An. Mag. Nat. Hist. 



(2) 19, p. 269, t. 10, f. 1. 



Margin, lituus PARK. & JONES, 1865, North. Atl. & Arct. Oc.; Phil. Transact. 155, p. 343, t. 13, f. 14. 

 Crist, obtusata var. subalata BKADY, 1884, Chall. Rep. 9, p. 536. t. 66, ff. 2425. 



elongata BRADY, 1887, Synops. Brit. Rec. For., Journ. Microsc. Soc. 1887, p. 911 (nomen a D'ORB. 

 pro aliis formis usitatnnt)- 



Ol)s. Crist, obtusata v. RKUSS, 1870; v. SCHLICHT, Septar. Thon. Pietzpuhl, t. 11, ff. 16 18 ad 

 seriem Cristellariarnm tumidarHm pertiuet, a Crist, articulata v. REUSS et C. Hauerina n'ORB. 

 descendentiuin. 



Hab. Skagerack profund. metr. 100: sinus Norvegicos profund. raetr. 90 450; mare Atlant. boreale 

 profund. metr. 530 passim; procera. 



APPENDIX. 



4. elongata, plus minusve angustata, tumidiuscula, interdum compressa, nunc cari- 



nata, nunc margine obtuso aut rotundato, suturis sa;pe sublimbatis; aliquando 

 obsolete striolata. Stadium juvenile complete helichostegicurn, quod a Crist, 

 rotulata LMK. vix discerni possit. 



C. Saulcyl D'ORB., Tab. XI, figg. 623629. 



Figg. 623 627: forma? plus minusve compressae. 

 Figg. 628 629: stadium juvenile, rnagis dilataturn. 



Crist. Saulcyi D'ORB., 1839, For. Isles Canaries, p. 126, t. 3, ff. 7 9. 



Huic maxime affinis: 



Marginulina ensis v. Rss, 1846, Bohm. Kreideform. 1, p. 29, t. 12, ff. 13, t. 13, ff. 26 27 et alia;. 



Hab. mare Azoricum profund. metr. 530 (SMITT & LJUNGMAN). 



