1 90 State of His Majesty' s Flock of 



are there, the utility of which negligence alone prevents uS 

 from seeing ? 



35; " I therefore join M. de Fontenclle in thinking, that 

 great advantages might be derived from large convex glasses 

 and concave mirrors ; if they, who are blessed with a fertile 

 genius and sufficient property, would particularly apply 

 themselves to construct, in several ways, concave mirrors 

 and convex lenses of a very large size, making at the same 

 time, all the researches and experiments of which such men 

 are capable. 



36. " Corollary. It is then very evident, from what 

 we have said, that the mirror, which historians relate to have 

 teen placed on the Pharos of Alexandria, was possible. 



[The Second Part of this Memoir of Abat will be given in our next 

 Number.] 



XXXII. A Report of the State of His Majesty's Flock of 

 jine-woolled Spanish Sheep, for tlie Year ending Michael- 

 mas 1803. By Sir Joseph Banks, P.R.S. 



JL he wether lambs of the last year having been sold in 

 their wool, and the rams' wool retained, in order that two 

 years' growth might be prepared for sale together, his ma- 

 jesty's Spanish flock consisted, when shorn in June 1S02, 

 of ninety-six ewes only ; the fleeces of these, after having 

 been washed on the sheep's backs as usual, weighed as 

 follows : 



In wool, as shorn from the sheep 

 Loss in scowering - 



Amount of scowered wool - 256 



This wool, when sorted, produced as follows : 



Prime wool, or R. - 221 lbs. at 5s. od. ^63 10 9 



Choice locks, or F. - 32 ■ 3 € - 5 12 O 



Fribs, or T. - . - 3 1 9 - 5 3 



.^69 8 O 



After deducting the expense of sorting and scowering, at 

 the high rate which an individual who is not a manufac- 

 turer must pay for these processes, this wool is worth about 

 5l. a tod, or 43l. 5s. a pack^ as clipped from the sheep's 

 back. 



The 



