Draft of Instructions for the Investigator', March 1801 (Series 63.39) - No. 0004

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your Journal, every circumstance that may be useful to a full & complete knowledge thereof; noting the Winds & Weather which usually prevail there at different seasons of the year; the productions & comparative fertility of the Soil, & the Manners & Customs of the Inhabitants of such Parts as you may be able to explore; fixing in all cases, when in your power, the true positions both in Latitude & Longitude of remarkable Head Lands Bays & Harbours by Astronomical observations & noting the variation of the Needle & the right direction & course of Tides & Currents; and in case during the Survey any River should be discovered, you are to direct the​ her Commander of the Tender  to enter it, & proceed as far up as circumstances will permit, carefully planning the course & the Banks of it, & noting the Soundings as he proceeds as you go & to Land as often as he shall see reason to suppose that any considerable variation has taken place