[24a]

(De la Beche paper on Jamaica)

(speculations on method of S. American Elevation R.N. p 11)

(versus Sir J. Herschel ideas of first Cause R.N. p. 32)

(In Europe limited volcanoes & limited earthquake, limited but great local elevation contrast with America)

(Granitic conglom: generally between oldest & most modern rocks in all Europe R. N 110)

(Good abstract of Humb. S. America Geology in Dauberg p 349)

(Usage enormous quantity of matter form Andes)

{Lyell states that East India Volcanoes characterized by abundance of Sulphuric acid vapours

(RN. p. 48 & 49 on effect of elevation [sketch])

(R.N. p 51 & p. 54 absence of secondary formation near in S. America)

(Speculate on symmetry of world RN p 123)

(conical masses of greenstone p 88)

(on Theory of Volcanoes R.N. p 57) (Simplicity of world R.N. p. 72)

(Method of elevation: dikes: not both p 58-59)

(p 68 & 69) (p 75, 76)

(RN. process of elevation in form of land p. 61 – p 64)

(Shores of the pacific compared to whole East coast N & S. America, Africa Australia, previously deep grand faults)

(RN 71)

(grandeur of action in Cordillera)

(Speculation on Volcanoes & metallic veins R.N. p. 78)─ (p 111 & 112) → no metals in Polynesian islets.

Quartz pillar in Cordillera

[Crook] like elevation)

[24b]

[Map and legends]