But save for a few social events, and for some valuable experiments with the magnetic needle, to be referred to in the final chapter, his time and energies were absorbed by work upon his charts. He laboured incessantly. "I am at my voyage," he said in a letter, "but it does by no means advance according to my wishes. Morning, noon and night I sit close at writing, and at my charts, and can hardly find time for anything else." He was a merciless critic when the proofs came from the engravers. One half-sheet contains 92 corrections and improving marks in his handwriting. Such directions as "make the dot distinct," "strengthen the coast-line," "make this track a fair equal line," "points wanting," are abundant. As we turn over the great folio which represents so much labour, so much endurance, so much suffering, it is good to remember that these superb drawings are the result of the ceaselessly patient toil of perhaps the most masterly cartographer who has ever adorned the British naval service. He took similar pains with the text of A Voyage to Terra Australis. It was never meant to be a book for popular reading, though there is no lack of entertainment in it. It was a semi-official publication, in which the Admiralty claimed and retained copyright, and its author was perhaps a little hampered by that circumstance. Bligh asked that it should be dedicated to him, but "the honour was declined."* (* Flinders' Papers.) The book was produced under the direction of a committee appointed by the Admiralty, consisting of Banks, Barrow, and Flinders himself. It abounds in exact data concerning the latitude and longitude of coastal features. The English is everywhere clear and sound; but the book which Flinders could have written had he lived a few years longer, if it had been penned with the freedom which made his conversation so delightful to his friends, might have been one of the most entertaining pieces of travel literature in the language. At first he was somewhat apprehensive about authorship, and thought of calling in the aid of a friend; but the enforced leisure of Ile-de-France induced him to depend upon his own efforts. Before he left England in 1801, he had suggested that he might require assistance. In a letter to Willingham Franklin, John's brother, a fellow of Oriel College, Oxford, and afterwards a Judge in Madras, he wrote (November 27th, 1801):* (* Flinders' Papers.)