"is supposed by some to [25] be the ashflow of the eruption seen by Columbus when he discovered Guadeloupe [N.B. in 1493, La Roncière says that this is described or mentioned in the sois life of the Adm¹ ral.] The bed looks as if it might be assigned to an out- break as recent as that would be. It is reported that there are extinct fumaroles sur- rrounded by sulphur deposits in the top of the massif of Vieux Fort. De La Roncière stated to me that he had visited them. X The old fort south of the city of Basse Terre rests upon a ridge of ash agglom- erate which betokens an ancient