31st December 1768

Rio de Janeiro to Tierra del Fuego

Cloudy weather, with some Lightning and a few showers of rain. Variation 18 degrees 36 minutes East. Soundings from 46 to 50 fathoms; fine dark sand. Wind South-Easterly; course South 18 degrees West; distance 43 miles; latitude 43 degrees 14 minutes South, longitude 60 degrees 26 minutes West.

Joseph Banks Journal

No insects seen today; the water changed to a little better colour. On looking over those taken yesterday find 31 species of land insects all so like in size and shape to those of England etc. that they are scarcely distinguishable, probably some will turn out identicaly the same. We ran among them 160 miles by the log without reckoning any part of last night, tho they were seen till dark, and most of this southing. Our latitude made us nearly opposite Baye Sans Fond near which place Mr Dalrymple supposes there to be a passage quite through the Continent of America. It should seem by what we have seen that there should be at least a very large river, and that probably at this time much flooded: if even that could have so great an effect as (supposing us to be 20 leagues from the land) discolouring the water to almost a clay Colour and bringing of insects who never fly 20 yards such as grylli and one aranea.

I lament much not having tasted the water at the time which never occurrd to me, but probably the difference of saltness would have been hardly perceptible to the taste and my Hydrostatick balance being broke I had no other method of trying it.

Sydney Parkinson’s Journal

Weather was very unsettled; the wind sometimes blowing very hard; at others only a moderate gale.

On the 31st, we had much thunder, lightening, and rain, and saw several whales: we saw also some birds about the size of a pigeon, with white breasts and grey beaks.