EXPLANATION OF PLATE 86 (LXXXVI) 



Figs. 1-5, X 120; Figs. 6, 7, X 150; Figs. 8, 9, 12, X 75; Figs. 10, 11, X 75-90; Fig. 13, X 50. 

 Figures 1-7. — Patellina corrugata Williamson. 



Fig. 1. Challenger Sta. 162, Bass Strait, Pacific. (38-40 fathoms) 

 Fig. 2. Challenger Sta. 174A, off Fiji, Pacific. (255 fathoms) 

 Figs. 3-5. Challenger Sta. 145, Prince Edward Is., S. Pacific. (50-150 fathoms) 

 Fig. 6. Challenger Sta. 149D, Kerguelen Islands, S. Pacific. (20-60 fathoms) 

 Fig. 7. Challenger Sta. 219A, Admiralty Islands, Pacific. (17 fathoms) 

 Figure 8. — Rosalina bradyi (Cushman). 



Challenger Sta. 205A, off Hong Kong, Pacific. (7 fathoms) 

 Referred by Brady to Discorbina globularis (d' Orbigny) and by Cushman (U.S.N.M. Bull. 71, Pt. 5, 1915, 

 p. 12) to Discorbis globularis (d'Orbigny) var. bradyi. Hofker (Siboga Exped., Foraminifera Pt. Ill, 1951, 

 p. 456) refers this form to Discopulvinulina but Hornibrook and Vella (The Micropal., N.Y., Vol. 8, No. 1, 

 1954, p. 26) place it in Rosalina and point out that it is not congeneric with bertheloti, the genotype of Dis- 

 copulvinulina. See also note on fig. 13 below. 

 Figure 9. — Rosalina vilardeboana d'Orbigny. 



Challenger Sta. 151, Heard Island, S. Pacific. (75 fathoms) 

 Referred by Brady to Discorbina and by Cushman and others to Discorbis. It is clearly not congeneric with 

 Discorbis vesicularis, genotype of Discorbis and has been placed here in Rosalina, as originally designated by 

 d'Orbigny. Heron-Allen and Earland (Proc. Roy. Irish Acad., Vol. 31, Pt. 64, 1913, p. 118) referred this figure 

 to Discorbina mediterranensis (d'Orbigny), a very different species from the figures and description. In 1932 

 after seeing d 'Orbigny 's types they figured specimens from the Falkland Islands as typical (Discovery Repts., 

 Vol. IV, p. 409, pi. xiii, figs. 37-39), and referred Brady's figs. 9 and 12 (see below) to this species. Their figures 

 closely resemble fig. 9 but not fig. 12. 

 Figures 10, 11. — Discopulvinulina (?) araucana (d'Orbigny). 



Fig. 10. Challenger Sta. 1491, Kerguelen Islands, S. Pacific. (120 fathoms) 

 Fig. 11. Challenger Sta. 162, Bass Strait, Pacific. (38-40 fathoms) 

 Referred by Brady to Discorbina and by Cushman (as "auracana", U.S.N.M. Bull. 71, Pt. 5, 1915, p. 15) 

 to Discorbis. Hofker (Siboga Exped., Foraminifera, Pt. Ill, 1951, p. 462) refers to it as Discopulvinulina 

 araucana but it seems questionable that it is congeneric with bertheloti, the type. 

 Figure 12. — Rosalina sp. no v.? 



Challenger Sta. 168, N.E. coast of New Zealand. (1100 fathoms) 

 Referred by Brady to Discorbina vilardeboana (d'Orbigny). D. vilardeboana was described as possessing a 

 rounded periphery and the original figures and description differ very markedly from the present figure of Brady. 

 This form is unlike any found in the literature and is regarded as a new species of Rosalina. Cushman (Proc. 

 U.S.N.M., Vol. 56, p. 625 and U.S.N.M. Bull. 100, Vol. 4, 1921, p. 304) had a similar form from the Philippines 

 which he left as D. vilardeboana? , noting that it was distinct from d'Orbigny's species. 

 Figure 13. — Rosalina globularis d'Orbigny. 



Challenger Sta. 33, off Bermuda, Atlantic. (435 fathoms) 

 Referred by Brady to Discorbina and by Galloway and Wissler (Jour. Pal., Vol. 1, 1927, p. 62) to Rosalina 

 d'Orbigny, as the genotype. Brotzen (Sver. Geol. Undersok., Ser. C, Vol. 42, 1948, p. 72) has included forms 

 later separated by Hofker as Neoconorbina, and is followed by Bermudez (1952). Hornibrook and Vella (The 

 Micropal., N.Y., Vol. 8, No. 1, 1954, p. 26) restrict Rosalina to the globularis group of species and retain Neo- 

 conorbina for orbicularis (Terquem) and allied forms. Rhumbler (Kieler Meeresf., Vol. 11, 1938, p. 207) refers 

 fig. 8 above, but not fig. 13, to D. globularis var. cyprinodon, apparently in ignorance of Cushman's R. bradyi. 



[178] 



