Miscellaneous papers. 1. Experiments with drift-bottles (1st report). 2. The Sargasso Sea, its boundaries and vegetation. 3. On the quantity of macroplankton in the Mediterranean and the Atlantic. 4. Elvers from North and South Europe. 5. Experiments with drift-bottles (2nd report). 6. Nitrate and phosphate contents of the Mediterranean water. 7. Some quantitative investigations on the bottom fauna at the west coast of Italy, in the Bay of Algiers, and at the coast of Portugal
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