FORAMINIFERA FROM THE ABROHLOS BANK. 213 



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



sand." 

 Sand, with some Molluscan Shells and Foraminifera, the latter principally Discorbince 

 and other common shallow-water forms. 



"No. 7. 23rd May 1857, xi. 10 p.m. ; Lat. 23° 05' S., Long. 41° 12' W. ; 43 fathoms ; 

 sand." 



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

 gerince and Pulvinulince. 



"No. 8. 24th May 1857, i. 10 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 (PL XL VII.) 

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



SuMringdom PE0T0Z0A. 



Class EHIZOPODA. 



Order FORAMINIFERA (Reticulars). 



Family I. MILIOLID^. 



Subfamily MiLiOLisiJf/B. 



Biloculina, d'Orbigny. 



1. Biloculina eingens, 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 depeessa, d'Orbigny. (Plate XL. figs. 17, 18.) 



Biloculina depressa, Chall. Report, p. 145, pi. 2. figs. 12, 15-17. 



A.t 40 fathoms ; specimens small. 



2i 2 



