282 THE FOEAMINIFEEA 



pelagic fauna is seen in the fact that Glohicjei'ina 

 ooze is especiall}' developed in those areas ^Yhe^e the 

 surface of the sea is traversed by warm currents ; and 

 where it is found in the Arctic regions is principally 

 in the track of the Gulf Stream. Therefore, as might 

 naturall}' be expected, Glohigei-iiut ooze is found more 

 abundantly in tropical areas and at greater depths 

 than in the higher latitudes in colder areas. 



To take as an example a specimen of Glohirjerina 

 ooze from a comparatively high latitude in the 

 northern hemisphere, the following sounding from the 

 ' Challenger ' series may be quoted : — 



' Station 76.— July 3, 1873. Lat. 38° 11' N., long. 

 27° 9' W. Off the Azores. Depth, 900 fathoms; 

 bottom temperature, 4'-2° C. (39*5° F.) ; Glohifjei'iiia 

 Ooze. 



' Contains small stones, pteropods, and a good deal 

 of coarse stuff'. In addition to Glohitjei'iita and the 

 pelagic P/iln'n/iliiue the more noteworthy species 

 belong to the genera BUocuI/iki, MilioJiiia, Cridel- 

 lai-'ta, Ti'ii iicatiiliiia, JRiipertin, IIaj)I()j)Ji]r((fim'/i iii, 

 Trocluuiimiiia^ and Honnosuta.' 



The following may be quoted as an example of a 

 Glohigeriita ooze from a high latitude in the southern 

 hemisphere : — 



' Station 146.— December 29, 1873. Lat. 46° 46' S., 

 long. 45° 31' E. Depth, 1,375 fathoms ; bottom tem- 

 perature, 1'5° C. (34-7° F.) ; Glohifjcriiia ooze. 



' A greyish-white nuid with fragments of echinus 

 tests, spines, etc. Chieffy made up of Glohigeriiia 

 huItoi/lc'S and G. ii/ffata. Of the surface Piit/-i)iiitiiice 



