Dr. John Murray—On Marine Deposits. 
Fic. 2.—Tooth of Oxyrhina hastalis. Fic. 3.—Ear-bone of Ziphius cavirostris. 
From 2350 fathoms, From 2335 fathoms. 
Fic. 4.—Section of a Manganese Nodule, Fie. 6.—Spherule of Bronzite. 
showing ear-bone of Mesoplodon in From 3500 fathoms. (x 26.) 
the centre. From 2600 fathoms. 
Fic. 5.—Black Cosmic Spherules, with a metallic nucleus. From 2375 
and 8150 fathoms, respectively. (x 60.) 
Organic Remains and Mineral Bodies obtained from Deep-sea Deposits, 
