At this time a report was made from one of the transports, both by the commanding marine officer on board, and the master of the ship, that a discovery had been made of an intended insurrection amongst the convicts in that ship; in which, if they had succeeded, they were to have quitted the fleet in the night, and afterwards to have made such use of the ship, as they should, upon farther consideration of the matter, determine amongst themselves.  Captain Phillip had very humanely, a few days previous to this scheme, directed that the irons with which most of the male convicts had hitherto been confined, should be taken off them generally, that they might have it more in their power to strip their cloaths off at night when they went to rest, be also more at their ease during the day, and have the farther advantage of being able to wash and keep themselves clean; this indulgence had no doubt left it more in the power of those who might be disposed to exert their ingenuity, in so daring an attempt, to carry their plan into execution with a greater probability of success; but I am thoroughly convinced, that so strict an attention to duty was paid by the whole of the marines employed on this service, that such an attempt would have terminated in the destruction of those who appeared most active and forward in it.  Two of the principals were brought on board the Sirius, severely punished, and sent on board another transport, properly secured in heavy irons.

On the 23d, the wind inclined to the north-west, and, after heavy rain, settled in that quarter; by the favour of this change we proceeded to the southward, at the rate of between 70 and 100 miles in 24 hours.  On the 26th, the wind shifted to the northward, and from that to the north-east; our latitude at this time was 42 deg.. 10’. north, and the longitude 11 deg.. 36’. west; variation of the compass, 20 deg.. 19’. west.

On the 29th in the evening, (as we intended making the islands of Porto Sancto and Madeira) being but a little distance from the former, and the weather being hazy, we shortened sail, to prevent the convoy from falling suddenly in with the land in the night:  at day-light the next morning, we saw the Deserters off Madeira, bearing west-south-west, five leagues distant; we had passed the island of Porto Sancto in the night, having steered to pass eight or nine leagues to the eastward of it; we found the ship set this last 24 hours 12 miles to the southward of the log.  At noon the south-easternmost Deserter bore by compass north 17 deg.. west, by which we made its latitude 32 deg.. 29’. north, and its longitude by the time-keeper 16 deg.. 38’. west of Greenwich; the variation of the compass was here 17 deg.. 00’ west:  from hence, with a light breeze from the northward, we steered south half west, by compass, and at five P.M. on the 1st of June, we made the Salvages; which was rather sooner than we expected, by the distance we had run from the Deserters off Madeira, and the