178 Phe American Journal. 
carefully watclied ae" encouraged by the professors. ‘The 
pupils in. this romnceshie session evinced the greatest do- 
cility.—Jdem. 
12. Merrorcioey, Famits of heat ae cold. —In uniting 
and comparing a great number o rvatio ith 
the thermometer, M. AraGo has deshoc teh the following: con- 
sequences: Ist. In no place on the land, andin no situation, 
will a thermometer elevated two or three metres (from 6 to 
10 feet) above the cate and sheltered from a)l reverbera- 
tion rise to the 37th of Reaumur or degree of 
the centigrade scale (=1153 Farenheit): 2d. In the open 
sea, in whatever place and season, the temperature of the air 
never surpasses 24° Reaumur (=86° Far.) : 3d. sd. The great- 
est degree of cold observed on our globe, with a thermome- 
ter suspended inthe air is—40° Reaumur (=—58° Far.): 4th. 
The water of the sea in no latitude or season, acquires a tem- 
perature superior to 24° Reaumur, or 86° Far.—Idem. 
13. Swenen _—Agreeably toa printed report made to the 
% Society forthe propagation of mutual Instruction,” in Stock- 
pe atthe, egnessl meeting held the 19th of i otSweden bs it ap- 
P cae ees io # gt: opal dist porns 
cota tneransi ng The eels ip contains a statement of 
the rece and expenses, of the society, a list of the 86 
pci, me composed it, and a discourse of t, Fryxell, 
ec order, on the 7 of the new method.—WM, 4. 
Rev. Encyc, Ave. 1825. 
14. Tue American Jovrwat or Sctence anp ARTS con- 
ducted by B. Stuuiman, M. D. &c.—The February number 
of this journal! is thus noticed i in the Revue Encyclopédique 
for i May 1825 
“This ahmber of an excellent journal from which we 
have often entertained our readers, is very rich in articles of 
geology, mineralogy, and natural history. The mathematics 
also occupy a remarkable portion of it.” A brief analysis is 
then given | of the most important articles in the number un- 
der review, and the writer concludes with the following ob- 
servations :—‘* We see that the journal of M. Silliman is 
among the number of those which are read with pleasure 
“e curidhity, as soon as they appear, and which, as a com- 
Onent part of our fibraries yap e vat all times consulted, 
a will furnish useful materials to philosophers off the-pre- 
ent and future generations.” 
