Log books and masters' logs for the following ships of the British Admiralty on voyages to the Pacific, Australia and New Zealand: Roebuck, Gloucester, Crown, Hyaena, Perserverance, Sirius, Arrogant, Amboyna, Buffalo, Centurion, Gorgon, Hobart, Intrepid, Orpheus, Porpoise, Reliance, Resistance, Supply, Swift, Victorious, Calcutta, Daedalus, Dromedary, Chanticleer, Beagle, Blonde, Fox, Barracouta, La Sybille, Lady Nelson, Seaflower, Success, Suffolk and Lyra.