In the index the spelling of Moncrieffe (from Moncrieff) and Skjervö (from Skerjvö) have been changed to match the spelling in the main text.
On [page 123] the signature copied as “Dr Hav. Pfeifer” appears to be that of the glacialist Dr Franz Xaver Pfeifer. The signature also appears in this form in The Journal of Geology.