Obvious errors of punctuation and diacritics repaired.

Hyphen added: Carn[-]breh (p. xvii), clay[-]slate (pp. 49, 181fn, 236), light[-]house (pp. 90fn, 93, 99), sub[-]marine (p. 230).

Hyphen removed: Corn[-]fields (p. 42), head[-]land (p. 1).

Both "octahedron / octahedral" and "octohedron / octohedral" occur and have not been changed.

Both "contemporaneous" and "cotemporaneous" occur and have not been changed.

P. x: 52.—Westorn -> 52.—Western.

P. xviii: exsensive fresh-water lake -> extensive fresh-water lake.

P. 19: Land'e End District -> Land's End District.

P. 33: pasturage of the neigbourhood -> pasturage of the neighbourhood.

P. 34 fn: differ much in flavor -> differ much in flavour.

P. 38 fn: posseseed by many of the Fish-women -> possessed by many of the Fish-women.

P. 42: Gear Slamps -> Gear Stamps.

P. 43: Bogs in the neighourhood -> Bogs in the neighbourhood.

P. 68: 29th years -> 29th year.

P. 70: cells, revenues, snd chapel -> cells, revenues, and chapel.

P. 76: their remoal amounted to -> their removal amounted to.

P. 105: maay zealous antiquaries -> many zealous antiquaries.

P. 115: sevesal Tin streams -> several Tin streams.

P. 127: mistaken and disppointed -> mistaken and disappointed.

P. 138: Stalacites -> Stalactites.

P. 144: hugh blocks of this stone -> huge blocks of this stone.

P. 191: Sate Lottery -> State Lottery..

P. 198: quite impossibe to convey -> quite impossible to convey.

P. 216: On one of these pannels -> On one of these panels.

P. 240: pulmonary suffererers -> pulmonary sufferers.