Meteorological Observations, 391 



DR. 



The last Number of this Journal contains the abstract of a Note 

 n Embryology by Dr. Martin Barry, who requests us to correct an 

 error in it. Dr. Keber is there stated to have considered certain 

 vesicles containing a revolving mulberry-like body as fecundated 

 ova. This was not Dr. Keber's opinion. He believed the vesicles 

 in question not to have been fecundated, and Dr. Barry agrees with 

 him. [The membrane of those vesicles, however, Dr. Barry believes 

 to have been his " ovisac,*' and not the vitellary membrane {zona 

 pellucida) which had probably been absorbed.] 



METEOROLOGICAL OBSERVATIONS FOR SEPT. 1853. 



Chiswick. — September 1. Cloudy and fine : heavy rain. 2. Overcast: heavy rain. 

 3. Clear. 4. Cloudy and fine : very fine : overcast. 5. Fine : cloudy : clear. 6. Very 

 fine : clear at night. 7, 8. Overcast. 9. Foggy i rain. 10. Fine : slight rain. 

 11. Fine. 12. Cloudy and fine. 13. Rain: fine: clear. 14. Dense fog: very 

 fine. 15. Foggy: cloudy: rain at night. 16, Uniform haze: showery. 17. 

 Very fine. 18. Slight fog: very fine. 19,20. Very fine. 21. Foggy: fine. 

 22. Very fine : rain. 23. Cloudy. 24. Clear : cloudy : clear : lightning in the 

 evening - : rain. 25. Rain : boisterous throughout. 26. Clear and windy. 27. 

 Slight fog : fine. 28. Overcast. 29. Fine : rain. 30. Very fine : clear : lightning, 

 with rain at night. 



Mean tempeVature of the month 55 0, 45 



Mean temperature of Sept. 1852 56*21 



Mean temperature of Sept. for the last twenty-seven years . 57 *04 

 Average amount of rain in Sept 2*57 inches. 



Boston. — Sept. 1. Rain a.m.: lightning p.m. 2. Rain a.m. and p.m. 

 3. Fine. 4. Cloudy. 5, 6. Fine. 7—10. Cloudy. 11. Fine. 12. Cloudy. 

 13. Cloudy : rain a.m. 14. Fine. 15. Cloudy: rain a.m. 16. Fine : rain p.m. 



17, 18. Cloudy. 19, 20. Fine. 21. Cloudy. 22. Fine. 23. Cloudy. 24. Fine : 

 rain a.m. 25. Rain a.m. and p.m. : very stormy p.m. 26. Fine : very 

 stormy a.m. and p.m. 27 — 29. Cloudy. 30. Fine. 



Sandwich Manse, Orkney. — Sept. 1. Bright a.m. : clear p.m. 2, 3. Cloudy a.m. : 

 cloudy, aurora p.m. 4. Clear, fine a.m. : clear, aurora p.m. 5. Clear, fine a.m. 

 and p.m. 6. Clear, fine a.m. and p.m. 7. Damp a.m. : cloudy p.m. 8. Drizzle 

 a.m. : cloudy p.m. 9. Bright a.m. : clear p.m. 10. Bright a.m. : cloudy, aurora 

 p.m. 11. Cloudy a.m. and p.m. 12. Bright a.m. : cloudy p.m. 13. Cloudy a.m. : 

 showers p.m. 14 — 16. Bright a.m. : cloudy p.m. 17. Cloudy a.m. and p.m. 



18. Showers a.m. and p.m. 1 9. Rain a.m. : damp p.m. 20. Cloudy a.m. : cloudy, 

 showers p.m. 21. Bright a.m. : rain p.m. 22. Rain a.m. : sleet-showers, thunder 

 and lightning p.m. 23. Showers a.m. : sleet-showers, aurora p.m. 24. Bright a.m. : 

 sleet-showers p.m. 25. Cloudy a.m. : sleet-showers p.m. 26. Bright a.m. : sleet- 

 showers p.m. 27. Bright a.m. : showers p.m. 28. Rain a.m. : showers, thunder 

 and lightning p.m. 29. Bright a.m. : cloudy p.m. 30. Showers a.m. : cloudy p.m. 



Mean temperature of Sept. for twenty-six previous years ... 52°*26 



Mean temperature of this month 53*28 



Mean temperature of Sept. 1852 53 -45 



Average quantity of rain in Sept. for thirteen previous years 2*75 inches, 



