14S 



Days of 



the 

 month. 



North 

 lat. 



West 

 long. 



PHYSICAL OBSERVATIONS. 



July 12 



! I0o 40- 



'60o 54' 



' A smart breeze, particularly during 

 the night j wind east, pretty 

 strong ; sea rough , very fine sky, 

 not free from vapors. 



Temperature of the ocean, 25*8° ; 

 temp, of the air, 25-3°. 



Cyanometer, 14*4°. 



Snns!Giii*p , Q hii&TnmpfPT trip wholP nav 



from 89*5° to 90°. 

 Dip of the magnetic needle, 46*95° ; 

 oscillations, 229 (good observa- 

 tion) . 



13 



11 16 



62 45 



Cloudy, with squalls j very strong 

 east wind ; very high sea j a little 

 rain : distance one league east- 

 south-east of the north cape of the 

 island of Tobago. 



Temperature of the ocean, 25*8°; 

 temp, of the air, 25* 1°. 



Hygrometer, from 90° to 91'8°(Saus- 

 sure's division). 



14 



11 1 



64 51 



Temperature of the ocean, 25*6° $ 

 but on the shoal, which extends 

 from the island of Tobago to that 

 of Grenada, 23* 1° 5 temp, of the 

 air, 25°. 



Saussure's hygrometer ,91' '5° to 92*7°. 



Dip of the magnetic needle, 47*5° ; 

 oscillations, 237 j good observa- 

 tion. The mountainous coast of 

 Paria seen at 4 leagues distance : 

 slight breeze > fine and serene 

 weather. 



