64 



EXPEDITION OF THE "ALBATROSS," 1899-1900. 



Namonuito to Guam. 



Red clay. 



Red elay aud small 

 particles of manga- 

 nese nodules. 



Manganese nodules 

 Pumice. Red clay 



Manganese. Pumice 

 Volcanic particles 

 disks of diatoms("-') 



7 Fine volcanic sand. 



50 miles northwest from Magur islet. 



100 miles furllier towards Guam. Sts. 

 245-249 H. O. Chart No. 529, corr. 

 June, 1896. 



100 miles further, same course, towards 

 Guam. 



Our deepest sounding. 100 miles fur- 

 ther, same course, towards Guam. 

 Thermometer could not have regis- 

 tered correctly. 



About 25 miles further, same course, 

 distant 45 m. from north end of Guam. 



