OF THE SCOTTISH NATIONAl. ANTARCTIC EXPEDITION. 671 



Globigerina Ooze. — Of a light fawn colour. Coherent and slightly plastic 

 while wet. 



CaCOz 71 per cent. (Anal.): — Foraminifera. Coccoliths fairly numerous, rhabdo- 

 liths a few. 



Siliceous organisms 5 per cent. : — Diatoms, radiolaria, sponge spicules. 



Minerals 5 per cent., angular, m. di. 0'06 mm. : — Felspar, magnetite, volcanic 

 glass, augite, olivine. 



Fine washings 19 per cent.: — Amorphous clayey matter chiefly; some minute 

 mineral particles and fragments of siliceous organisms. 



Chief foraminifera : — Globigerinidse make up the bulk of the deposit, especially 

 Globigerina hulloides (by far the most abundant), G. dutertrei, G. inflata, G. 

 [Orhulina) universa, Pulvinulina canariensis, P. micheliniana, P. exigua, and 

 Pullenia ohliquiloculata. All species more or less dwarfed. Also nine species of 

 Miliolinidse, seven Textularidse, and nineteen Lagenidse, including the rarer forms L. 

 stelligera, L. feldeniana, and L. trancata. Arenaceous types rare; they include: — 

 Reophax distans, Proteonina difflugiformis, Ci'ihrostomoides hradyi, Ammochilo- 

 stoma galeata, and Spiroplecta americana. 



50. Station 467; April 28, 1904; lat. 40° OS' S., long. 1° 50' E. ; depth 2645 

 fathoms. 



Globigerina Ooze. — Deposit only obtained off trawl. Probably partly washed in 

 coming up. Of a light reddish-brown colour with white specks (foraminifera). 

 Coherent, slightly plastic. 



CaCOs 46 per cent. : — Foraminifera. Coccoliths fairly abundant, no rhabdoliths. 

 Echinoid spines and ostracod valves. 



Residue reddish in colour. 



Siliceous organisms 3 per cent. : — Diatoms, radiolaria, and sponge spicules. 



Minerals 1 per cent. : — A few rounded quartz grains and felspars. 



Pine washings 50 per cent. : — Chiefly minute mineral particles, some amorphous 

 clay, and fragments of siliceous organisms. Not sufficient clay to call the sample a 

 transitional form between Globigerina ooze and Eed clay. 



Chief foraminifer'a : — Glohigerina inflata, G. hulloides, G. dutertrei. Numerous 

 other calcareous and arenaceous foraminifera — the variety large, the numbers of each 

 being few, and their size as a rule small. 



51. Station 468; April 29, 1904; lat. 39° 48' S., long. 2° 33' E. ; depth, no 

 sounding taken ; probably about the same as No. 50. 



Globigerina Ooze. — Deposit obtained from the trawl. Certainly partly washed 

 in coming up, so that it is not typical of the deposit in situ. Brown in colour with 

 white specks (foraminifera). Coherent, more clayey than No. 50, and not so easily 

 rubbed down in water. 



