Meteorological Observations. 239 
Errata in Mr. Babington’s Paper on Chara. 
P. 84. C. mucronata was found at West, not Fast Grinstead. 
P. 91. C. aspera. Mr. Borrer did not find this nor any other 
species at Carlton, Notts; that station therefore must be erased. 
P. 91. C. Hedwigit. For East read West Grinstead. 
METEOROLOGICAL OBSERVATIONS FOR JAN. 1850. 
Chiswick.—January 1. Sharp frost: fine: cloudy. 2. Hazy: fine. 3. Foggy: 
hazy. 4. Foggy.: overcast: clear. 5,6. Frosty: very fine: clear and frosty. 
7. Sharp frost : clear: severe frost at night. 8. Frosty: overcast. 9. Slight fall 
of granular snow: overcast. 10. Snowing slightly: overcast. 11. Hazy through- 
out. 12. Slight snow: dusky: hazy. 13. Hazy: clear and frosty. 14, 15. 
Cloudy and cold. 16, 17. Densely overcast. 18. Foggy: snow at night, with 
heavy rain. 19. Cloudy: drizzly. 20. Frosty. 21. Cloudy. 22. Hazy. 23. 
Hazy: clear at night. 24. Foggy and drizzly. 25. Foggy: densely overcast : 
rain at night. 26, Densely clouded: showery. 27. Sudden rise of barometer : 
frosty : very fine. 28. Overcast. 29. Very fine: rain. 30. Foggy: very fine. 
$1. Hazy and cold : heavy rain at night. 
Mean temperature of the month .......... Sgantasneseonoc cane Gea! 
Mean temperature of Jan. 1849  ..cc..ssseeseeseeeers Masces oor ots 
Mean temperature of Jan. for the last twenty-four years . 36 *60 
Average amount of rain in Jan. .......... AO Hogon00 coconacnscr 1°60 inch. 
Boston.—Jan. 1. Fine. 2% Cloudy. 3,4. Cloudy: rainer.m. 5—8. Fine. 
9—1li. Cloudy. 12. Cloudy: snowa.m. 13. Fine. 14—17. Cloudy. 18. 
Cloudy : snow andrainr.m. 19. Cloudy: rain early a.m. 20, Cloudy : snow a.m. 
21, 22. Cloudy. 23. Fine. 24. Cloudy. 25. Fine. 26, Cloudy: rain and 
snow p.m. 27. Fine. 28. Cloudy. 29, 30. Fine. 31. Fine: rain p.m.— 
N.B. ‘This has been the coldest January since the year 1838. 
Applegarth Manse, Dumfries-shire.—Jan. 1. Frost: dull and threatening change. 
2. Thaw: small rain. 3. Thaw: drizzle. 4. Slight frost early a.m.: rain and 
wind p.m. 5. Snow half an inch deep: frost. 6. Frost very hard: snow lying. 
7, 8. Frost very hard. 9. Frost very hard: thermometer 11°. 10, Cloudy, 
looking like change. 11. Cloudy, but still freezing. 12. Still slight frost, but 
unsettled. 13. Frost still slight: cloudy. 14. Frost, slight a.m. : harder p.m. 
15. Bright and clear : hard frost : a little snow. 16. Frost ; slight shower of snow : 
looking dull. 17. Hard frost: clear: snow lying. 18. Hard frost, and heavy 
snow 4 inchesdeep. 19. Frost nut so hard: thaw p.m. : frost again. 20. Frost: 
additional sprinkling of snow. 21. Frosthardagain. 22, Frost moderate. 23. 
Thaw: mild: cloudy. 24. Thaw: snow melting fast. 25, Rain in the night : 
thaw continuing. 26. Thaw a.m.: came on to freeze at 6 p.m. 27. Hard 
frost a.M.: thaw and rain p.m. YS. Heavy rain: snow nearly gone. 29. Slight 
frost a.M.: keener p.m. 90. Frost moderate : snow all gone. 31. Slight shower 
of snow a.M.: frost: rain P.M. 
Mean temperature of the month .........-0e:essesseneeeeeee ae BIOS 
Mean temperature of Jan. 1849  .........ccscesseseereenscsees 36 ‘3 
Mean temperature of Jan. for the last twenty-eight years. 34 °9 
Average amount of rain in Jan. for the last twenty years. 2°60 inches. 
Sandwick Manse, Orkney.—Jan.1. Cloudy. 2 Bright: fine: rain. 3. 
Showers: sleet-showers, 4. Thunder: sleet-showers. 5. Thunder: showers. 
6. Sleet-showers. 7. Sleet-showers: clear. 8. Cloudy. 9. Rain: cloudy. 10. 
Cloudy : sleet-showers. 11. Cloudy: clear. 12. Snow-showers: cloudy. 13. 
Cloudy: clear: frost: aurora. 14. Snow-showers: snow-drift. 15. Snow-drift. 
16. Snow-drift: snow: thaw. 17. Rain: clear: frost: aurora. 18. Clear: frost; 
cloudy. 19. Snow-showers: cloudy: aurora, 20. Cloudy. 21. Cloudy: thaw. 
22. Showers: drizzle. 23,24. Drizzle. 25, Cloudy: snow-showers. 26. Snow- 
showers: snow: clear. 27. Snow: frost: snow-showers. 28. Showers : drizzle. 
29. Bright: large halo. 30. Fine: frost: clear: aurora. $1. Bright: rain. 
