RECORD: Darwin, C. R. Geological diary: Valparaiso / Hills behind Town (calculations of heights). (7.1834) CUL-DAR35.230 Transcribed by Kees Rookmaaker, edited by John van Wyhe (Darwin Online, http://darwin-online.org.uk/)

REVISION HISTORY: Transcribed by Kees Rookmaaker 5.2011. RN1

NOTE: This document, part of the largest scientific document composed by Darwin during the voyage of the Beagle, is written mostly in ink. Marginal notes are here integrated into the text.

Darwin was at Valparaiso in July-November 1834 and March-April 1835. See the Beagle Diary, ed. Keynes, pp. 249ff. Valparaiso is mentioned in South America, pp. 31-35.

Editorial symbols used in the transcription:
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Reproduced with permission of the Syndics of Cambridge University Library and William Huxley Darwin.

See the introduction to the Geological Diary by Gordon Chancellor.


230

No. 1 & 2 assuming 1 as 30.462

t' = 49 t = 44  
β' = 29.742 β' = 30.462  
1.483758    
1.473370    
0.010388 = 8.016533  
  = 0.000400  
  4.794880  
  2:811813 = 648 feet

No. 1 & 3

t' = 50 t = 44  
β' = 29.356 β' = 30.462  
1.483758    
1.467697    
0.016061 = 8.205773  
  = 0.0004  
  4.794880  
  3.001053 = 1003 feet

July 29th 1834 — Valparaiso — Hills behind town

230 verso

Valparaiso July-August 1834

Time Barom A Therm No D  
9.30' 30.466 53 1 44 sea side
10.30' 29.742 55 2 49 various shells. V specimens
11 29.356 - 3 51? Flag staff
12 29.008 - 4 53 Hill. 30 feet below which one Trockus
1.45 29.05 56? 5 50? Various shells
2.15 28.72 56 6 50 High hill
2.40 28.684 - 7 - Very highest hill
4 30.45 - 8 48? sea side

No. 7 & 8

t' = 50 t = 48  
β' = 28.684 β' = 30.45  
β = .483587    
β = .457640    
0.025947 = 8.414087  
  = 0.000400  
Highest hill 4.796750  
  3.211237 = 1626 feet

No. 8 & 5 assuming lower one to be .455

t' = 50 t = 50 β' = 29.05 β = 30.
= .463146 β = 2    
= .483658      
0.020512 = 8.312008    
  = 0.0004    
Highest shells 4.797680    
  3.110088 =1289 feet  

They may be called 1300 because shells were a few feet above where barometer stood & high water mark measured


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Citation: John van Wyhe, editor. 2002-. The Complete Work of Charles Darwin Online. (http://darwin-online.org.uk/)

File last updated 2 July, 2012