FOEAJIINIFEEA FROM THE ABEOHLOS BAJVK. 213 



"No. 6. 23rd May 1857, ix. p.m.; Lat. 23° 02' S., Long. 42° 02' AV. ; 47 fathoms; 



sand." 

 Sand, with some Molluscan Shells and Foraminifera, the latter principally i)/scor5m« 

 and other common shallow-water forms. 



"No. 7. 23rd May 1857, xi. lo p.m. ; Lat. 23° 05' S., Long. 41° 12' W. ; 43 fathoms ; 

 sand." 



Presented a Rhizopod-fauna similar to No. 6, with the admixture of a few Globi- 

 gerinm and Pulvinulince. 



"No. 8. 24th May 1857, i. lo a.m. ; Lat. 23° 07' S., Long. 41° 57' W. ; 40 fathoms; 

 m. sh." (mud and shells). 



About two fifths of the material consisted of a dark-grey clay with an olive tinge ; 

 the remainder of fine quartzy sand with some black grains and small stones. Amongst 

 the organic constituents were Molluscan Shells and Polyzoa ; together with Foraminifera 

 in considerable variety, between sixty and seventy species in all. 



N.B. — The numbers of the soundings correspond with those on the chart (PI. XLVII.) 

 of the AbrohlosBank showing the track of H.M. Surveying-ship ' Plumper,' May 1857. 



Subkingdom PROTOZOA. 



Class RHIZOPODA. 



Order FOBAMINIFERA (Reticulaeia). 



Family I. MILIOLID^. 



Subfamily M i l i o L i n i n ^. 



BiLOcULiNA, d'Orbigny. 



1. BiLOCTJLiNA EiXGENS, Lamarck, sp. (Plate XL. figs. 19, 20.) 

 Biloculina ringens, Chall. Report, p. 142, pi. 2. figs. 7, 8. 



In four of the soundings ; the specimens small. 



2. Biloculina depkessa, d'Orbigny. (Plate XL. figs. 17, 18.) 



Biloculina depressa, Chall. Report, p. 145, pi. 2. figs. 13, 15-17. 



At 40 fathoms ; specimens small. 



2i2 



