Describes stratification of cliffs on south shore of Rio Gallegos; fossils found at base of cliffs. Speculates about geological past of the area. Discusses climate of southern Patagonia; navigation problems at the mouth of Rio Gallegos.

Gives results of soundings taken between Falkland Islands and South American mainland. Describes geology of Falklands, especially the dikes found on many islands. Comments on climate of Falklands. Discusses horses and cattle, health of his children in the Falklands. Mentions volutes found in the Falklands.

Passes on report of FitzRoy’s policies as governor of New Zealand.

Will find the reference to S. D. Poisson in his own paper on the Heat of Vapours. The subject is in a state of confusion. John Southern's experiments are detailed in John Robison's Mechanical Philosophy, which can be sent from the R.S.L. library if JH does not possess it already.

Regarding Mr. Forster's experiments, there have been many on record. They are cheap to carry out and so it should be easy to arrive at a decision soon.