178 On the Composition of Oceanic 



TABULAR LIST OF NODULES SUBMITTED TO ANALYSIS. 



Oceanic Nodules 



Xos. I, II, and III are from a locality 400 miles south of the 

 Australian coast, in lat. 42 42' S., long. 134 10' E. Depth, 

 2600 fathoms. I is from the outer rind of a large spherical 

 nodule, and it was detached without any trace of the kernel. 

 II is a similar piece taken from the outside shell of a smaller 

 spherical nodule, with traces of an augitic kernel. Ill is a 

 piece of a horizontally-stratified nodule with botryoidal upper 

 surface. 



Nos. IV and V are from the same nodule, which was 

 collected on the I2th July 1875 in the North Pacific in lat. 

 37 52' N., long. 160 17' W. Depth, 2740 fathoms. IV is a 

 portion of the outer shell, 13 millimetres thick, consisting of 

 concentric layers, most of them mottled with reddish-yellow 

 spots. V is the kernel of the same nodule, and is harder than 

 the rind, from which it easily splits away. It was nearly 

 spherical and with 16 millimetres radius. At the centre was 

 a small colourless piece of mineral. 



Littoral Nodules 



These are all from Loch Fyne in 104 fathoms (see page 167). 

 M, N, P, and Q are separate selected nodules; K and R are 

 the kernels and rinds of five nodules. 



The analytical details have been collected in a series of 

 tables, as follows: 



