Voyage of Dumont d'Urville 1826-1829
Sépioteuthe Austral (Australia); and Sépioteuthe de Maurice, (Mauritius) from Voyage de la Corvette l’Astrolabe… Pendant les Années 1826-1829: Paris: J. Tastu, 1830-1834.	During his service as lieutenant commander on Duperrey’s voyage, Jules-Sébastien-César Dumont d’Urville became convinced that the need for focused studies of New Zealand and the islands lying to its north, east of New Guinea, outweighed the need for a circumnavigation. He therefore did not cross the Pacific during the first voyage under his command, but its report is included in this exhibit because it represents the fruits of the voyages of Duperrey and Freycinet, whose vision inspired his. He did make a circumnavigation during his later exploration of the Antarctic region.
His mentors’ influence is apparent not only in the route he laid out, which sought to complete their work, but also in his careful documentation of the magnetism of the earth, which had been an important aspect of their missions. D’Urville added to this a systematic observation of the temperature of the oceans at different depths using the thermometrograph. These cuttlefish were among a vast number of marine mollusks collected by the naturalists during the voyage.
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