9S, aw TiHB ifETHOD CJt JUailEU. 



y>€i c%lqulat«4 vi^lue will hi ^gf oeral.bq- iK^f^y cpr/f>ct. On 

 the, pthcr^4»(i,,»f a^ fina^i e^^ur, la tU« -Qbsery^^ ap|^yi l^m- 

 duces agifeatcrrottri^ithi* result, it will b^ ptopur toirejf-ct 

 V- •T^8> Vi Problem l, if tl»€ given mijjks WSM, J^WM, 

 ai^botb very small, the least chauge. in cithero^tb^'se 

 •ogles will in general |>roduce a crrejit d)»Bge in the .situation 

 .^;tH^ point Mi as is well known ; a«d if tJ>€ two pl^cet^ of 

 <»,^5e,FvatJon *, m, are tlius situate with respect to the meteor, 

 tj5;i;«(? H -^'^ ^^sfFJ^^io^'* mi^de at those places must not be cofiibineifl 

 ' "' JiSfiS>^b|^f.^:'?]^»*Tilb-t^^^^ the observatioii^ ^of .^|k|e 



JVfstoq .raeteQrmatJe atUutluiid and Weston, and fpy this 

 Teafpn the observations made, at those plaees are not cur)- 

 brned tojj^ther, ink U^ calculation^ made for determinii^^ 

 #>e«^?e:ft^|b^^iUi«teoft^j^i hce .ph^hi 'O^j^-r^A,, n tioip^ 



** In a Letter from tAe Author* i s4i io rt<>4ju 



•-. ^ ,,, ." ToMr.NiaK)LSON./™ ;<"' "^'jSt 



;.^^;f?T 5.?50Kr/:rr;i'i^ T.-^-\>"»i,; err ;j*'V;' ,>nfOfj<: o^:^ Jftf^At; Joqk Ij 



tiithotit' slice eit by our first botHnVstS^^vei»^t>y''^Lirln^'(i» 

 fkfMiifi the ditficulty of foUowinj^ nature, not on'lj in the 

 'tfeifefeV^j^p^arancc!* the Mjperflcial oljs'^rv^ei' rSa^' ini^lf, 



, t?it tirabin% Kef in those nunute niid half AiJrfi^-Pn'lirVeS, ^\}i\c\\ 

 V^qiiire the most extreme attention, the most profound knov«r* 

 i^dge in her trays, tbf; most exact di^criibiiiatiPu iir !iey ap- 

 €laWT)^^«*f ; I canfmt but deeply regret, tliatthe fHivJ;^^M'(fi 

 felt Vfe<*11#fit botanist J ussieu miide, toivafds' 6btivnVril«j: a 

 Halnral niHhod, shonld bt (in any rinnner} A).Vftn'tbe pi(br^» 



■ B"^ it should !)fe considered, that tht- lifV of' on'ft' iriau, nay 



'oV'ViU'h 'n^a^ftrfUtleJ-'whTe^j reiiuir(^^ thfe joritl^SttVentif^rt '6t 

 thnn y' "phyrAoft'^hts ; who, ' Jib t he s'crencfc' <iHv^'ncci,'^'a^\6\\\6. 

 " • * • cou- 



