Meteorological Observations, 263 



and among the rest, a new species of mangrove. The arrival of his 

 papers and collections will, it is hoped, soon put us in possession of 

 his last labours. 



It is impossible to advert to so melancholy an occurrence without 

 an expression of disgust and reprobation, that so many lives, and 

 some of them so valuable, should have been sacrificed by placing the 

 Niger Expedition at the entire disposal of the most blind and pre- 

 sumptuous fanaticism, and under the control of persons who chose 

 needlessly, and in spite of every remonstrance, to loiter for hours and 

 days in situations where the atmosphere was most pestilential. 



METEOROLOGICAL OBSERVATIONS FOR MARCH 1842. 



Chiswick, — March 1. Showery: clear. 2. Overcast: stormy and wet. S. 

 Cloudy. 4. Overcast. 5. Clear and very fine. 6. Slight haze : very fine. 7. 

 Cloudy : sHght rain. 8. Very fine : heavy rain. 9. Stormy with heavy rain. 



10. Boisterous: clear at night. 11. Densely overcast. 12, 13. Cloudy and 

 fine. 14. Drizzly. 15. Hazy: very fine. 16. Hazy: overcast. 17. Fine: 

 stormy and wet. 18. Cloudy and fine. 19. Clear and cold: stormy with hail. 

 20. Cloudy: showery: squall in afternoon. 21. Stormy: showers. 22. Cloudy: 

 rain. 23. Very clear : hall-shower. 24. Hazy. 25. Cloudy: stormy with rain. 



26. Clear : cloudy. 27— 29. Very fine. 30. Rain. 31. Rain : cloudy : boiste- 

 rous with rain at night. — The mean temperature of the month was nearly 3° above 

 the average. 



Boston, — March 1. Rain: rain early a.m. : rain p.m. 2. Cloudy. 3. Rain: 

 rain early a.m. 4. Cloudy: rain early a.m. 5 — 7. Fine. 8. Cloudy. 9. Fine : 

 rain P.M. 10. Stormy: rain early a.m. 11,12. Cloudy. 13. Fine : rain early 

 A.M. 14. Cloudy. 15. Fine. 16. Cloudy: rain at night. 17. Fine: rain 

 at night. 18. Windy. 19. Windy: rain at night. 20. Cloudy : rain a.m. and 

 P.M. 21. Windy. 22. Fine: rain p.m. 23. Fine: snow a.m. : rain p.m. 24. 

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



29. Fine : rain early A.M. 30. Cloudy. 31. Rain: rain early a.m. 

 Sandwich Manse, Orkney. — March 1. Cloudy : aurora. 2. Clear. 3. Cloudy : 



rain. 4. Clear. 5. Cloudy : showers. 6. Bright : cloudy. 7. Cloudy. 8. 

 Shower: clear. 9. Clear. 10. Sleet-showers: clear. 11. Showers: rain. 

 12. Bright : clear. 13. Hail-showers : clear. 1 4. Cloudy : clear. 15. Cloudy : 

 aurora. 16. Cloudy: rain. 17. Clear: rain. 18. Cloudy: showers. 19. 

 Cloudy : large hail. 20. Showers. 21. Cloudy. 22. Snow-showers : cloudy. 

 23. Cloudy : drizzle. 24. Drizzle. 25. Showers : sleet. 26. Snow-shower's, 



27. Snow-showers : cloudy. 28. Rain : showers. 29. Sleet-showers : showers. 



30. Cloudy: showers. 31. Damp. 



Apjilegarth Manse, Dumfries-shire. — March 1 . Cold, with slight showers. 2. 

 Shower of snow: rain. 3. Heavy rain. 4. Showers. 5,6. Fair and mild. 

 7. Slight showers : rain P.M. 8, 9. Hail showers. 1 0. Hail-showers, with snow. 



11. Heavy rain. 12. Fair but threatening. 13. Fair. 14. Rain all day. 15. 

 Mild and moist. 16. Drizzling: rain p.m. 17. Fair a.m.: heavy rain p.m. 

 18. Showers. 19. Slight showers. 20. Fair : snow on the hills. 21. Fair and 

 clear. 22. Slight snow : frost. 23. Frost : fair. 24. Fair and fine : slight frost. 

 25. Wet P.M. : violent wind. 26. One slight shower. 27. Frost a.m. : rain p.m. 



28. Rain p.m. 29. Fair. 30. Showery. 31. Wet a.m. : cleared up. 



Sun shone out 23 days. Rain fell 18 days. Snow 4 days. Frost 4 days. 

 Hail 3 days. 



Wind north 2 days. South-south-east 3^ days. South 1 day. South-south- 

 west 1 day. South-west 1 1 days. West-south-west 1 day. West 7^ days. West- 

 north-west 2 days. North-west 2 days. 



Calm 4 days. Moderate 6 days. Brisk 2 days. Strong breeze 10 days. 

 Boisterous 6 days. Stormy 3 days. 



Mean temperature of the month 41°'52 



Mean temperature of March 1841 44 -07 



Mean temperature of spring-water 42 "20 



