272 A Comparison of the Old and New Theories [Aprit, 
Date. Wind. Rain, Observations, 
A gale early, morn; high wind, and 
showers, day, 
Hail and snow showers. 
Hail showers. 
: { Cloudy day, high wind, and heavy rain at 
9 
‘ 0°25 
19 Var. 
0: night. 
20 Wwsw 
A gale, and heavy rain early, morn; wet 
day. 
21} SWtoNE Cloudy, 
22 NW Ditto, morn; showers, afternoon. 
231 W to WNW 0-22 Cloudy and fair morn; showers, after- 
7 noon; high wind at night. 
24 wNnNwW Ditto, ditto. 
25] W NW to NE Snow showers. 
26 Ss W O15 High wind, and showers, 
27 WwNnw A gale of wind; fair over head. 
28 Var. 0-07 Misty. 
29 WwW Ditto. 
301 WNW to E Ditto; fair afternoon. 
31 Sto E Cloudy. 
2°b7 Inches rain. 
Wind. 
Barometer: Greatest height...........se+0- 30°47 inches E 
OWE ys. av aisioipsieinree'e sielslaisioe.e 28°96 wsw 
Mieaniay «ornate vebeide ees coreg Ole 
Thermometer: Greatest height............-+-- 53° SW 
Lowest ...... Bie pavass'o ps aseie tina 21 NE 
Mean datiane sbacbscctecan eee Geieen 
ARTICLE V. 
A Comparison of the Old and New Theories respecting the Nature 
. of Oxymuriatic Acid, to enable us to judge which of the two de- 
serves the Preference. By Jacob Berzelius, M.D. Professor of 
Medicine and Pharmacy, and Fellow of the Royal Academy of 
Sciences at Stockholm. * 
Tr is universally known that Sir Humphry Davy has given a new 
theory of muriatic acid and its compounds, which seems already to 
be generally embraced, though it has not remained without opposi- 
tion. Hitherto I have not been able to see its superiority over the 
old theory; and on that account | consider myself as bound to state 
the reasons which induce me to adhere to the old opinion. This is 
the more necessary, as the reasons which could induce such distin- 
* Translated from Gilbert’s Annalen der Physik for Sept. 1815, Vol. L, p. 356, 
