CORRESPONDENCE. 113 



Meteorology and Luminous Matter. 



1. Luminous Meteors, including those that project solid stones 

 and malleable iron. 



2. Shooting Stars. 



3. Luminous points or balls, on or about the ship, in the air, 

 arid on the waters. 



4. Phosphorescence of the sea, whether greater or less in 

 high latitudes ? Let the water be filtered, and the phosphoric 

 animal matter be examined with and without a microscope : the 

 animals from which it is derived should be subjected to minutd 

 examination. 



5. Stars, their position ; Constellations ; Comets. 



6. Eclipses ; Transits, &c. 



Zoology* 



1. Shells, of every kind, especially with the animals within 

 them, preserved in spirits. 



2. Whales Seals, kind and number of each seen; the highest 

 southern latitude in which they exist; their number and pecu- 

 liarities. 



3. The Nautilus Pompilius ; the common pearly Nautilus of 

 the South Seas and Pacific, (or any analogous animal,) are de- 

 serving the most strict search. 



4. Gigantic Sepias or Cuttle-fish, if found, should be preserved 

 in spirits and brought home entire. Coral animals. 



Volcanoes, Earthquakes, fyc. 



1. Earthquakes and concussions of the sea. 



2. Waterspouts. 



3. Volcanic eruptions. 



4. Volcanic ejections. 



5. Marks of former Volcanic action. 



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