Meteorological Observations, 239 



4-2Fe Cy) + H Cy ; the author has not, however, as yet succeeded 

 in preparing salts directly with this acid. 



The ferrocyanurets of brucia are prepared by processes analo- 

 gous to those above described ; they resemble, both in their pro- 

 perties and composition, the corresponding salts of strychnia. — Ibid. 

 Janvier 1849. 



METEOROLOGICAL OBSERVATIONS FOR JAN. 1849. 



Chiswick. — January 1. Overcast : hazy. 2. Clear and frosty. 3. Frosty : dry 

 haze : overcast : frosty. 4. Uniformly densely overcast : rain. 5. Drizzly and 

 foggy. 6. Overcast. 7. Overcast : rain at night. 8. Rain. 9. Very fine : 

 slight rain. 10. Cloudy: boisterous: rain. 11. Rain: densely clouded. 12. 

 Frosty: overcast: rain. 13. Densely clouded : rain. 14. Rain. 15. Clear. 

 16. Fine : rain. 17. Rain : densely overcast : clear. 18. Fine: boisterous at 

 night. 19, 20. Very fine. 21. Very fine : overcast : boisterous. 22. Boisterous: 

 fine : clear and boisterous. 23. Densely clouded: fine. 24. Cloudy : boisterous 

 at night. 25. Densely clouded : boisterous. 26. Rain : exceedingly fine. 27. 

 Slight frost : overcast : rain. 28. Cloudy : fine. 29. Rain : cloudy and cold : 

 frosty at night. 30. Slight fog: drizzly. 31. Fine : clear and frosty at night. 



IVlean temperature of the nionth 39°'56 



Mean temperature of Jan. 1848 33-62 



Mean temperature of Jan. for the last twenty years 36 '40 



Average amount of rain in Jan 1*59 inch. 



Boston. — Jan. 1. Cloudy. 2 — 4. Fine. 5,6. Cloudy. 7. Fine: rain early a.m. 

 8. Rain. 9. Fine: rain p.m. 10. Cloudy : stormy all day. 11. Cloudy: rain 

 early A.M. 12. Fine. 13. Rain: rain early a.m. 14. Cloudy : rain early a.m. 

 15. Fine : rain A.M. and p.m. 16. Foggy. 17 — 20. Fine. 21. Cloudy. 22 — 

 24. Fine. 25. Cloudy. 26. Fine: rain early a.m. 27. Fine: rain p.m. 28. Fine. 

 29. Rain : rain a.m. 30. Cloudy : rain a.m. and p.m. 31. Fine. 



Applegarth Manse, Dumfries-shire. — Jan. 1. Frost moderate. 2. Frost very 

 hard : barometer falling. 3. Frost clear : fine. 4. Frost, but cloudy. 5. Frost : 

 cloudy. 6. Frost : still cloudy. 7. Frost : still more overcast. 8. Thaw : rain : 

 fo<^ : rain again. 9. Frost again: clear a.m. : rain p.m. 10. Heavy rain during 

 night : rivers flooded. 11. Frost a.m. : thaw at noon : rain. 12, Soft rain all 

 day. 13. Soft rain : cleared : rain p.m. 14. Gentle frost: cloudy: wind rose. 



15. Soft: cloudy. 16. Mild and clear after rain a.m. 17. Moist a.m. : rain and 

 high wind p.m. 18. Very fine till noon: rained again. 19. Frost: getting 

 cloudy P.M. 20. Heavy rain and high wind p.m. : thunder. 21. Storm of wind 

 and rain. 22. Fair, but a storm of wind. 23. Fair a.m. : came on storm, wind 

 and rain. 24. Rain nearly all day : wind high. 25. Fair and keen a.m. : wet 

 P.M. : high wind. 26. Fair a.m. : rain p.m. 27. Snow : rain : wind high. 28. 

 Frost : clear : dull p.m. 29. Frost and snow : thaw and rain. 30. Frost mode- 

 rate. 31. Thaw and showery. 



Mean temperature of the month 86°'35 



Mean temperature of Jan. 1848 33 "80 



Mean temperature of Jan. for the last twenty-five years . 34 '90 



Rain 3*70 inches. 



Rain in January 1848 2*34 „ 



Average amount of rain in Jan. for the last twenty years 2*60 „ 



Sandwick Manse, Orkney. — Jan. 1 . Cloudy. 2. Bright : cloudy. 3. Cloudy. 



4. Cloudy : frost : snow-showers. 5. Bright : cloudy. 6. Snow. 7. Thaw : 



clear. 8. Rain : showers. 9. Showers : cloudy. 10. Rain : snow. 11. Snow. 



12. Rain : showers. 13. Showers. 14. Showers : sleet-showers. 15. Showers. 



16. Showers: cloudy. 17, 18, Showers. 19. Showers: clear, 20. Cloudy. 

 21. Rain : showers. 22, Sleet-showers. 23. Sleet-showers : rain. 24. Rain*: 

 sleet-showers : cloudy. 25. Sleet-showers : aurora. 26. Sleet-showers : cloudy. 

 27. Bright : sleet-showers. 28. Sleet-showers : clear. 29. Frost : cloudy. 30. 

 Snow: sleet: showers. 31. Sleet-showers: showers. 



* From 9 p.m. on 23rd till 2 p.m. on 24th (about 17 hours) 2-08 inches of rain 

 feU. 



