KONGL. SV. VET. AKADKM1ENS HANDLIKGAK. BAND. 19. N:0 4. 101 



The pores of the adult are finer and closer set than in Plan, farcta; in young 

 specimens the pores are of variable she, often coars and scattered. The surface is of 

 high finish without being quite polished. 



It is one of the most common rhizopodes in deep water, both in the cretaceous 

 ooze and on the coralline-gravel, attaining a horizontal diameter of 1,5 mm. 



Fig. 234: the aboral side of Plan. Ungeriana with large and somewhat granulated 

 central boss. 



Fig. 235: side view. 



Fig. 236: the apertural side with defectively grown umbilical boss. 



a) m a g i s convexa: 



Syn. Botalina Haidingeri D'ORB., 1846, For. tert. Vienne, p. 154, t. 8, figg. 79. 



rosea D'ORB., 1826, Tabl. meth.; Ann. Sc. Nat. 7, p. 272; Mod. 35. 



D'OKB., 1839, Cuba p. 72, t. 3, figg. 911. 



? Ehrenbergii BAILEY, 1850, Examin. of Soundings; Smithson. Contrib. of knowledge 2, 



Art. 3, p. 10, figg. 1113. 



Planorb. Haidingeri BRADY, 1864, Ehizopod. Shetl.; Trans. Lin. Soc. 24, p. 469, t. 48, fig. 11. 



farcta var. Haidingeri PARK, et JONES, 1865, North. Atl. and Arct. Oc.: Phil. Transacf. 



155. i, p. 382, t. 16, fig. 22. 



Haidingeri PARK, et JONES, 1866, Crag. Forarof'.; Palseont. Soc. 19, t. 4, fig. 18. 

 Botalina lenticula Rss., 1845, Bohm. Kreide 1, p. 35, t. 12, fig. 17. 



grata Ess., 1865, deutsch. Sept. Thon; Wien. Ak. Dkschr. 1. 25. i, p. 163, t. 4, 



fig. 17. 

 i) Dutemplei EGGEH, 1857, Llioc. Ortenburg; Leonh. u. Bronn. Jhrb. 1857, p. 274, t. 7, 



fig. 810. 



orthorapha EGG., ibid. p. 275, t. 10, figg. 1 3. 

 discigera, anomphala EGG., ibid. p. 275, t. 8, figg. 5 10. 

 propinqua EGG., ibid. p. 275, t. 7, figg. 14 17. 



Kalembergensis EGG., ibid. p. 273, t. 9, figg. 21 23. 

 Truncat. kallomphalia GUMB., 1868, Nordalp. Eocan.; K. Bayr. Ak. Wiss. Abh. 1. 10. 2, p. 659, 



t. 2, fig. 102. 

 Botalia eocsena GUMB., ibid. p. 650, t. 2, fig. 87. 



pteromphala, megomphala GIMB., ibid. p. 651, 655; t. 2, fig. 88, t. 2, fig. 94 bis. 

 truncana GUMB., ibid. p. 653, , t. 2, fig. 93 (in b) transiens). 



Bosalina subumbonata GUMB., ibid. p. 657, t. 2, fig. 98. 

 Botalina Akneriana var. BORNESI., 1855, Sept. Thon Hermsdorf; Ztschr. deutsch. geol. Ges. 7, p. 340, 



t. 16, fig. 7. 



Ungeriana var. BORNEM., ibid. p. 341, t. 16, fig. 5. 

 PTruncat. propinqua Ess., 1855, Tert. Sch. nordl. u. mittl. Deutschl.; Wien. Ak. Sitz.-Ber. 1. 18, 



p. 241, t. 4, fig. 53. 



? HKEN., 1875, Clav. Szab. Sch. p. 71, t. 8, fig. 9. 



Pulvinulina Haidingeri HKEN., 1875, For. Clav. Szab. Sch., p. 77, t. 15, fig. 10. 



umbilicata HKEN., ibid. t. 15, fig. 9. 



Botalia peraffinis COSTA, 1855, Pal. Nap. 2. t. 22, fig. 17. 



Briickneri Ess., 1855, Kreidegeb. Meklenburg; Zeitschr. deutsch. geol. Ges. 7, p. 273, 



t. 9, fig. 7. 



hemisphserica Ess., 1861, KreidetufT Maastricht; Wien. Ak. Sitz.-Ber. 1. 44, p. 314, t. 2, 



fig. 5. 



