472 Scientific Intelligence. ‘i [JunE, 
RAIN. 
1818, Inches. 1818. Inches. 1818, Inches. 
Oct. 1 0-012 Nov. 3 0-291 Dec. 1 0°300 
2 0:371 9 0-197 5 0429 
4 0-141 10) 1:047 6 1/104 
5 0096 1] 0309 q 0°438 
6 0078 12 0168 13 0°058 
10 0°261 13 0°660 15 0-096 
ll 0261 14 0°189 18 1126 
12 0-891 15 0°360 19 0:045 
13 1°152 19 0:015 22 0:030 
4 0°453 20 0:075 23 0-016 
15 0°459 * 21 0°036 25 0-576 
19 07426 22 0°846 26 0-144 
20 0:126 23 0:072 ——~ 
22 0-267 25 0-114 Dec..... 4°362 
27 0012 27 0-123 INOV. 65.05 4°627 
29 0:024 30 0°145 CEs. rare 5126 
30 0:096 ee —_—__-— 
—_ A627 14115 
5:126 
SUMMARY OF 1818, 
Barometer (hill) Highest point, Dec. 28, Wind E.S.E...........- 29°08 in. 
Lowest point, March 5. Wind S.W,.....++2e++-- 27°55 
Mean of 365 observations......ccccesseccsree sess 2OAG 
(town) Highest, Dec- 29, Wind E.........,.2+200 P See 30°67 
Lowest, March 5, Wind S.W.....,.... ROE! RR 28-00 
Mean of 365 observations ......eeesececevccssccns 29°43 
Thermometer. Highest, July 16. WindS.W.......... soles djate's'ele'e 80-00° 
Lowest, Feb. 4. Wind W.S.W.......... e000 sees 17:00 
Mean of 533 observations ........sscccseeeeeerees 49°43 
RBM VETS. aecnan techies ebinieree seceeeeee 38'037 inches. 
Wind, Days. Days. 
Eivconeclesetisnusispsreass sees yscspge OOril Bright days sc... Cabch dulvese sen Le 
We ivene Dry, COUR Ys. sea ieee else's ole esetcte 719 
§.... SHGOAVERY!s cores 'aicreteferiels bid. pa ie Mere tole 99 
Nu. eeeeeeee afs.s aiwivle vets ’miaptaleis'ss sate WD’ Rainyerniscs cv cece awe Viessisnpivlaiets AQ 
S.E.. WaIADIG. sc. de cust aie Uwbh roan es sons 17 
INGE sce < Ritieneat erate menses 23 
RU ea eee les vials AO LO AS = 
VOM swaeacebenaae es rele 16 
365 
Prevailing winds S.W. 
XIII. Inquiry respecting a Meteoric Phenomenon described by 
Dr. Clarke. 
(To Dr, Thomson.) 
SIR, London, Feb. 22, 1819, . 
oi dy Dr. ED, Clarke’s amusing volume of travels in Scandinavia, 
a phenomenon is described which seems rather to border upon 
impossibility. As the author is an occasional contributor to 
your pages, he will, perhaps, be kind enough to furnish a fuller 
