and Littoral Manganese Nodules 



169 



In Section III these quantities are 61,500 and 21,500 square 

 fathoms. For comparison with these we have Section I at the 

 mouth of Loch Fyne and Section VI at the widest part, towards 

 Loch Gilp. In the former of these the total area is 154,820 

 square fathoms, and the area of water over 30 fathoms is 

 61,920 square fathoms; in the latter these figures are 129,200 

 and 67,500. Sections IV and V show transition stages from 

 the narrowest to the widest portions of the landward portions 



Loch Fyne. Section HA. The same as Section II on natural scale. 



of the loch. Section HA is constructed on a uniform scale of 

 lengths and depths, and gives the natural proportions at the 

 narrowest points. 



Loch Fyne. 



Section III. Can tyre to Cowal through deepest spot 

 parallel to Section II. 



A- the locality where the nodules are found is very restricted, 

 it U important to fix its position as nearly as possible. Now, 

 there is not much difficulty in fixing a vessel's position in a 

 direction up and down the loch. Skate Island and adjacent 



t ?Jw \. S N 7J t ; 



Loch Fyne. Section IV. Can tyre to Cowal through Tarbert Bank 



ami Kiln. I'.i. 



features make it possible to get good leading mnk- in a 



jx-ndirular to the coast, but to find her place on 



thi- linr i- V.TV diitimlt, as there is no f< > it gives any 



ttg, .iii.l thT- i- : and in tin- right direction to 



