1036 
THE VOYAGE OF H.M.S. CHALLENGER. 
II. The Fossil Bone. 
No. 13. Portion of Ziphius Beak from Red Crag, Suffolk. 
A thin plate cut out of the beak, highly polished on one side. The specimen was 
wholly petrified and homogeneous. It was completely soluble in hydrochloric acid. 
A complete analysis gave the following results : 
— 
P. 
P. 
E. 
Moisture, . . . . 
1-67 
Combined water (H 2 0), .... 
2-31 
0-2566 ] 
Phosphoric acid (P 2 0 5 ), .... 
. 33-83 
1-4294 1 
Carbonic acid (C0 2 ), .... 
7-50 
0-3409 }. 1-8647 
Fluorine l’50 = (F 2 -O), .... 
0-87 
0-0789 
Sulphuric acid (S0 3 ), .... 
0-62 
0-0155 J 
Chlorine and silica, .... 
nil. 
Lime (CaO), ..... 
. 48-81 
1-7431 
Magnesia (MgO), ..... 
1-08 
0-0540 
Ferric oxide (Fe 2 0 3 ), .... 
2-00 
0-0577 
Alumina (A1 2 0 3 ), .... 
0-18 
0-0105 ) 
Potash (K 2 0), ..... 
0-52 
0-0111 V 1-9399 
Soda (Na 2 0), ..... 
1-97 
0-0635 j 
101-36 
Katio of equivalents — 
o 
o 
1 0-239 
0-055 
In recent Ziphius bone, No. 11, they were — 
1 : 0-197 
: nil. 
III. The Deep-Sea Bones. 
No. 1 . Portion of a large piece of Whale’s Bone. 
Station 286 ; 2335 fathoms, South Pacific. 
The specimen was brown in colour, very porous, and readily reducible to a powder. 
P. 
P. 
E. 
Moisture, . . . . 
3-06 
Combined water (H 2 0), .... 
3-66 
Phosphoric acid (P 2 0 5 ), .... 
27-49 
1-162 
Carbonic acid (C0 2 ), . 
4-14 
0-188 
Fluorine 0’71 = (F 2 - O), 
0-41 
0-037 
Lime (CaO), ..... 
39-00 
1-392 
Magnesia (MgO),. . 
2-01 
Ferrous oxide (FeO), # .... 
1-04 
Ferric oxide (Fe 2 0 3 ),* .... 
4-83 
Binoxide of manganese (Mn0 2 ),* 
1-61 
Alumina (A1 2 0 3 ), . 
2-70 
Silica and substances insoluble in hydrochloric acid, 
9-08 
Alkalies and loss, .... 
0-97 
* Direct result of analysis — 
Manganous oxide (MnO), 
Ferric oxide (Fe 2 0 3 ), 
Loose oxygen (0), 
100-00 
1-31 
0-18 
