Meteorological Observations. 215 



similarity between them and the Sigillaria of a former world. It is 

 certainly remarkable that numerous layers of bark are deposited one 

 on the other, far more so than in all other trees, and one consequence 

 of this is that they compress each other into a flattened shape, and 

 that the outer bark falls off. The cells, however, of the new layers are 

 flatter than in general. The ligneous bundles pass from the wood 

 to the scars of the leaves ; and such a difference in the form of these 

 scars on the outer bark and beneath it, as that observed by Ad. Bron- 

 gniart in the Sigillaria, was not perceptible. The wood is very thin, 

 even in the thickest stems of succulent plants ; the bark and pith 

 very thick ; they remain a long while succulent and then rot, so that 

 their preservation among fossil bodies is very improbable. — From the 

 Bericht iiber Verhandlungen der konigl. Preuss. Akad. zu Berlin. 



METEOROLOGICAL OBSERVATIONS FOR MARCH, 1839. 



Chiswick. — March 1. Cloudy. 2. Very fine. 3. Foggy: fine. 4. Cold 

 haze. 5. Bleak and cold. 6. Frosty. 7. Sharp frost. 8. Cloudy and cold. 

 9. Frosty: fine. 10. Frosty: cloudy. 11. Dry haze. J 2. Frosry : hazy. 

 13. Hazy. 14, 15. Rain. 16. Fine. 17. Overcast. 18. Cold haze. 19. 

 Cloudy: frosty at night. 20. Rain. 21. Cloudy: fine: rain. 22. Cloudy. 

 23, 24.' Fine. 25. Overcast. 96. Dry haze. 27, 28. Showery. 29. Fine. 

 SO. Cold dry haze. 51. Overeat: rain. 



Boston. — March 1 — 3. Cloudy. 4. Fine. 5. Cloudy. 6. Cloudy : hail and 

 snow early a.m. : more snow p.m. 7. Cloudy : snow early a.m. 8. Stormy with 

 snow. 9 — 12. Fine. 13 — 15. Rain: rain early a.m. 16. Cloudy: rain early 

 a.m. 17. Cloudy. 18. Cloudy: snow a.m. 19,20. Cloudy. 21. Cloudy: 

 rain a.m. 22 — 24. Cloudy. 25, 26. Fine. 27. Cloudy : rain early a.m. : rain 

 a.m. 28. Cloudy : rain, hail, and snow with thunder and lightning p.m. 29— 

 31. Fine. 



Applegarlh Manse, Dumfries-shire. — March 1. Occasional showers a.m. : heavy 

 rain and wind p.m. 2. Fine spring day : little raw frost morning. 3. Clear 

 day: wind rather piercing. 4. Cold and ungenial. 5. Cold: dry a.m. : slight 

 snow p.m. 6. Calm cold day: frost keen. 7. The same : showers of snow p.m. : 

 frost. 8. Cold and bleak : hills white : frost continued. 9. Frost continuing : 

 mod. barometer falling. 10. Still frosty: fine day though cold. 11. Snow 

 two inches deep : frost giving way. 12. Snow gone : very chill and slight frost. 

 13. Temperate: wet afternoon. 14. Damp day : rain in the evening. 15. 

 Calm moist day : drizzling p.m. 16. Spring day, though somewhat raw : rain 

 p.m. 17. Ccld and stormy : hills white : frost p.m. 18. Quiet day: frost gone : 

 drizzlin«r p.m. 19. Frosty morning : moderate: cloudy p.m. 20. Moist all 

 day: rain heavy p.m. 21. Mild spring day : occasional slight showers : wind. 

 22. Boisterous morning, with severe snow showers. 23. Unsettled weather : 

 slight showers, with wind. 24. Still very changeable : occasional showers. 25. 

 Showery : unsettled : snow on the hills. 26. Hoar-frost morning : ice a quarter 

 of an inch thick : rain p.m. 27. Heavy rain a.m. : cleared up : rain again p.m. 

 28. Rainy morning : cleared up and was fine. 29. Cold drying day : threaten- 

 ing frost p.m. 30. Very cold and dry : cloudy p.m. 31. Cold: threatening 

 rain came on p.m. 



Sun, 25 days. 



Rain, 15 days. 



Frost, 10 days. 



Snow, 6 days. 



Wind southerly, 13 days. 



easterly, 9 days. 



northerly, 7 days. 



Wind westerly, 2 days. 

 Calm, 9 days. 

 Moderate, 9 days. 

 Brisk, 8 days. 

 Strong breeze, 3 days. 

 Stormy, 2 days. 



