( 



V 



V 



r 



EE F A 



e 



The Memoranduo) of fl 



ords Commissioiiers of the 

 Admiralty, prefixed to the present work, so fullv ex-^ 



plain? it 



-s 



origin 



and object, that 



It onij 



BMx^ 101 



the Editor to indicate the reaso-i which 



rem 



have neoes' 



what may appear to be in a certaiu deo-ree 



to 



departurp^ from the plan as therein sketched out~de 

 partnres either inevitable in themselves 



5 or sar 



nea m 



their progress by their Lordshir ■ approbatioii, and which 



} 



though mvolviiig a material inere 



in the bulk of the 



first 



;e CO Litem 



volume beyond what was in the 



plated, can hardly fail to be regarded as addiiig still more 



' ot Its proving useful in 



materially to the probability 



li«-theri,ig the collection of scientific information. 



On receiving from the eminent authora of the several 

 chapters into which this work is divided, 11)^:, respective 

 contributions, drawn up by them at the particular 



and 



personal request of the late lamented Earl of Auckland 

 (to whose enlightened 2eal lor the improyement of scie 



I 3 



1^^ 



