1806.] 
262 French feet. Ata medium they pro- 
duced five lines deviation towards theeatt, 
according to the determination of the 
plumb line, and the theory gives four 
lines and fix-tenths. Thefe experiments 
were made in the coal-mines of Schetufch, 
and are an additional proof of the rota- 
tory movement of the earth, 
An accurate map of Holland may be 
fhortly expeted. The fame precautions 
have been ufed in this bufinefs as in the 
meafurement of the degree of the meri- 
dian. M. De Zach bas publifhed in his 
Journal the chart of the triangles which 
have been completed. They are joined to 
thofe which M. Delambre made for the 
great meridian ; and the disance from 
Dunkirk to Montreal has been taken for 
the firft bafe. The Batavian Republic 
have entruted the dire€tion of this map to 
Colonel KRaAYENHOFF. 
M. CouLoms, who fermerly made 
many experiments on the effects of fric- 
tion, has poblifhed a Memoir o3 the Effect 
of Heat oa Magnttifm. At 200 degrees 
two-fths of it are deftroyed, and the 
who eat 700 degrees. 
Very interefting intelligence may be 
fo n expeéted from the expedition under- 
taken by Captain Lewis and others in 
Report of Difesfes. 
the labour of four yrars: 
165 
America, who afcended the river Miffoura 
in fearch of a paflage to the South Sea. 
The work of the governmental furvey 
in France has proceeded with great aSi- 
vity,. Iwo thoufand perfons are faid to 
be employed in 1, 
M. Larricue has at length complet- 
ed a large and beautiful map of America 
in relief. The mountains, iflands, and 
the tints of the fea, are all exhibited in a 
manner mot capable of interelting thofe 
whomake geography their hudy. 
At Peterfburg has been publifhed a 
fine hydrographical Chart of the White 
Sea, in which the coatts, oulphs of that 
fea, anda part of the Northern Ocean, . 
have been laid down trigonometrically. 
The dep hs have been carefully founded ; 
‘and fix of the principal points of thre 
coals have brea determined hy aftrone- 
mical obf{ervaiions. This chart has beea 
General KLAu- 
TOUZOFE is the author. 
A fociery is eftablith d at Peterfburg, 
under the naine of Mufeenum Alexandri- 
num, for the purpofe of makinz a collec- 
tion of works of art of all kinds, and to. 
combine with it acollesiion of the beit 
f{cientific works and journals. 
a . = 
REPORT OF DISEASES, 
Ia the public and private PraGice of one of the Phyficians of the Finfbury Difpenfary. 
From the 20th of ‘fanuary to the Quth of February. 
DYSPEPSIA LL ARE NAR ei ae IT 
PMPHe Nia SENS tac ee eee ey. o 2 
RavOeUemunians yee. See tote se 5 
Aone lis (eee ee Se Se ae 
Waerornna gia VIlth) Posehn 2M Eh. Ss 3 
Biniea Ailbasisyinn Gees el eS 5 
ReCeeNORENISS SUG) ME. alee Liebe. I 
Bhehi Ss Hulmpnabis wid eho yates esl 3 
PeripneumoniaNothay..).8 -22)) . 2.5 2! 5 
Hiyideops iP ettorigy 24) sine kt Hen ye Sse i 
Be Heenan Glen sce 20) beat ds ZOO Os oe ore 7 
Ferree aes hele ine te SN ac Sint SE 
Epileplias. ss 2st... Parcs aR 76 aba ke 3 
Pee aol is anna tie a dah. era 6 
Pinestrnaraiis.s scutes a Skt eles & eae ss ah 
eesnEmisiealcwl état (rs Ces. 2 
WARSI te Sha Ge aici Sea tetem as as I 
MiveeNnbeg ha AU cis five ok Re LI 
Neat bine aes ara cit See es OIG 
PER atCiCLye She SRO aR tam Se 3 
Moarcbininfantiles-.< 2 o.oo Arak Syke 
Mignmwtapel a. acc... ooo ee Sain et eS 
Montuty Mac. Nao. 140. 
In the above lift.ne individual difeafe 
appears particularly prominent. There 
has of late been no epidemic. One of the 
cafes of dyfpepfia noticed in the catalogue 
might be accounted for from the decayed 
condition of the teeth, by which they 
were rendered unequal to the due perfor- 
mance of their appropriate office. 
When it is conSdered bow much health 
and life itfelf depend upon the periect af- 
fimilation or izcorporation ot the tood—— 
that fuch an afimilation mutt be preceded 
by an adequate digettion,—and thac this 
latter procefs cannot be well effeted with- 
out a previous and fuficient maiication, 
the funétion of the teeth will appear to ap- 
preach in dignity and confequence to that 
even of toe molt impor:ant vifccra. The 
wanton or unneceflary extrz tion of a tooth 
ought to be avoided, not on account mere- 
ly of the momentary pain of the opera- 
YG tion, 
ta 
