Meteorological Observations. 71 



which he has observed is the imperfection of the alimentary canal, 

 which in these young larvae is not yet formed and is replaced by a 

 mass of globules. These larvae taking no nourishment, the intestinal 

 canal appears to be developed more slowly ; the individuals in the 

 author's possession died too suddenly to allow him to observe this 

 formation. — Socitie Philom. de Paris, Jan. 17th, 1846. 



METEOROLOGICAL OBSERVATIONS FOR MAY 1846. 



Chiswick. — May 1 . Dry haze : overcast. 2. Overcast. 3. Dry haze. 4. Cloudy 

 and fine. 5. Very fine : showers. 6. Showery : cloudy and fine. 7. Cloudy and 

 fine. 8. Overcast: exceedingly fine: clear at night. 9. Very fine. 10. Slight 

 rain : cloudy : clear. 11, 12. Very fine. 13. Light clouds : overcast : rain at 

 night. 14. Clear: cold and dry. 15. Cloudless: light clouds and fine : clear 

 and cold at night. 16. Uniformly overcast : dry haze : densely overcast, at night. 



17. Overcast: rain: clear. 18. Rain: cloudy: boisterous. 19. Very fine : 

 thunder-showers : densely overcast. 20. Rain: heavy showers. 21 — 23. Very 

 fine. 24. Slight fog : overcast and fine. 25,26. Very fine. 27. Cloudless: 

 very fine : overcast. 28, 29. Very fine. 30. Hot and dry. 31. Cloudless : hot 

 and sultry : clear. 



Mean temperature of the month 56 0, 16 



Mean temperature of May 1845 50*04 



Mean temperature of May for the last twenty years ... 54 *77 



Average amount of rain in May 1 -84 inch. 



Boston. — May 1. Fine. 2 — 4. Cloudy. 5,6. Fine : rain p. if. 7. Cloudy. 



8, 9. Fine. 10. Cloudy: rain early a.m. 11,12. Fine. 13. Cloudy. 14 — 16. 

 Fine. 17. Cloudy : rain early a.m. 18. Cloudy : rain a.m. : thunder p.m. 19. 

 Fine. 20. Fine : hail and rain a.m. and p.m., with thunder and lightning. 

 21. Cloudy. 22. Fine: rain p.m. 23,24. Fine. 25,26. Cloudy. 27 — 1 29. Fine. 

 30. Fine: 3 o'clock p.m. 75°. 31. Fine. — N.B. The warmest May since 1833 : 

 it was 62°-8. 



Sandwick Manse, Orkney. — May 1. Drizzle: damp. 2. Bright: clear. 3. Clear: 

 aurora. 4. Bright : rain. 5, 6. Rain : cloudy. 7. Fine : rain. 8. Cloudy. 



9. Clear: cloudy. 10. Clear: thunder and hail. 11. Bright : drops. 12. Bright: 

 cloudy. 13,14. Bright : fog. 15. Bright : cloudy. 16. Bright: clear. 17. Rain. 



18. Fog: cloudy. 19— 21. Damp : cloudy. 22. Rain : damp. 23. Showers : 

 bright : clotidy. 24. Showers : clear. 25. Rain : cloudy. c 26. Showers. 27, 28. 

 Showers : cloudy. 29. Cloudy. 30. Rain : cloudy. 31. Cloudy : fine. 



Applegarth Manse, Dumfries -shire. — May 1. Dropping day. 2. Fair and fine. 

 3. Fair and very fine. 4. Rain all day. 5. Heavy showers. 6. Showers. 

 7, 8. Fair and fine. 9. Fair and fine: a few drops p.m. 10. Heavy rain during 

 the night. 11. Fair and fine. 12. Slight shower : growing weather. 13—16. 

 Fair and fine. 17. Showery morning: cleared. 18. Showery all day. 19. Rain 

 p.m. 20. Rain during the night : cleared. 21. Showers : thunder. 22. Drizzly 

 all day. 23 — 25. Very fine day. 26. Very fine day : droughty. 27, 28. Very 

 droughty. 29 — 31. Very warm. 



Mean temperature of the month 52°-6 



Mean temperature of May 1845 50 *0 



Mean temperature of May for 23 years 51 *0 



Mean rain in May 1*96 inches. 



Mean rain in May for 18 years 1*73 „ 



