INDEX. 



A. 



Accidental meteoric phenomena, 



34. 

 Aurora borealis, 35, 48, 52. 



" general directions, 



49. 

 " electrical appara- 



tus, 52. 

 ** magnetic appara- 



tus, 51. 

 " use of the map, 50. 



B. 



Barometer, altitude, 11. 



« Fortin's, 10. 



" Green's standard, 54. 



" placing, 9, 58. 



" observation and record, 



11, 14, 32, 33, 38, 43, 

 59. 



" transportation of, 17, 62. 



" verification, 17 



" Vernier, 14, 59. 



Blank forms, 35, 37, 42. 



c 



Calculations to be made, 40, 41. 

 Casual phenomena, 33, 39. 

 Climate, general phenomena of. 

 Clouds, 26, 28, 34, 38, 44. 



Dew, 28. 



D. 



E. 



Earthquakes, 46. 

 Electrical apparatus, 51. 



P. 



Fireballs, 35. 



Fishes, observations on, 67. 



Fog, 28. 



Fortin's barometer, 10, 56. 



G. 



Graphic representations, 41, 42. 

 Green's standard barometer, 10, 54. 

 Green's self-registering thermome- 

 ter, 7. 



H. 



Hail, 31. 



Haloes, 34. 



Haze and dry mist, 27. 



Hjdro-meteorologiQal phenomena, 



28. 

 Hygrometer, 8. 



Insects, observations on, 67. 

 Instruments, placing of, 1. 



L. 



Land-spouts, 32. 

 Lightning, 35. 



M. 



Magnetic apparatus, 51. 

 Map of the stars, 50. 

 Maximum thermometer, 5, 7. 

 Means, calculation of, 40 

 Meteorological seasons, 40. 



(69) 



