APPENDIX. 



301 



No. 50. 



A few Observations on the Temperature of the Sea in latitude 

 27° 30' S. and longitude 41° E. ; on the 15th May 1836.— (Six's 

 self- registering Thermometer, Fahrenheit's Scale, used.) 



At the surface 



75,6 



At 200 fathoms below 



58,5 



At 5 fathoms beloAV 



74,5 



300 



55,5 



8 



74,2 



400 



52,5 



18 



74,0 



420 



52,0 



20 



74,0 







28 



73,0 



A few repeated : — 





40 



72,5 



At 5 fathoms below 



74,4 



48 



71,0 



20 



74,0 



50 



70,0 



48 



71,0 



75 



68,0 



50 



70,0 



100 



64,5 



100 



64,5 



In April 1836, at the Keeling Islands in the Indian Ocean (lat. ' 

 12° S.), the temperature at the bottom, in 363 fathoms, was 45° 

 (very carefully observed). 



No. 51. 



TABLE OF REMARKABLE HEIGHTS VISIBLE FROM A SHIP. 



The heights given in this table vrere ascertained by angular mea- 

 surement : they are on the coasts of South America, the Falkland 

 Islands, and the Galapagos. 



Summits. I^eet. 



Abingdon Island 1,950 



Acari Mount 1,650 



Aconcag-ua 23,200 



Ahuja Point, Height near . . 1,000 

 Albemarle Island, S.W. summit 4,700 

 Albemarle Island, S.E. ditto 3,720 

 Albemarle Island, Middle ditto 3,780 

 Albemarle Island, North ditto 3,500 

 Albemarle Island, over Cape 



Berkeley 2,360 



Alexander Mount 1,960 



Amatape Mountain 3,270 



Summits. Feet. 

 Animas Las, Height south of 1,800 

 Aymond Mount 1,000 



Banks Hill, Good Success Bay 1 ,400 

 Bell Mount (Tierra del Fuego) 2,600 



Benson Mount 1,780 



Boqueron Mount 3,000 



Bufadero Hill 1,620 



Burney Mount 5,800 



Callao, Height near 3,000 



Campana Mount 3,450 



