The Carnegie Institution of Washington . tinction through their original workare selected to pursue these studies, for, without at all disparagingthe efforts of other agencies, it is the purpose of this laboratory togive especial aid to productive investigators. In studying the problems of marine biology in the broadest senseit has been necessary to make expeditions to the Bahamas, Jamaica, 29 3° DEPARTMENT OF MARINE BIOLOGY. the West Indies, Tobago, Porto Rico, Newfoundland, and TorresStraits, and these journeys have yielded and will produce manyvaluable results. The principal laboratory of t


The Carnegie Institution of Washington . tinction through their original workare selected to pursue these studies, for, without at all disparagingthe efforts of other agencies, it is the purpose of this laboratory togive especial aid to productive investigators. In studying the problems of marine biology in the broadest senseit has been necessary to make expeditions to the Bahamas, Jamaica, 29 3° DEPARTMENT OF MARINE BIOLOGY. the West Indies, Tobago, Porto Rico, Newfoundland, and TorresStraits, and these journeys have yielded and will produce manyvaluable results. The principal laboratory of the Department is situated uponLoggerhead Key, Tortugas, Florida, on the northern side of the GulfStream, 68 miles west of Key West, in the Gulf of Mexico. It is thus \surrounded by the purest ocean water, so clear that one may observethe tropical fishes and the minute details of the coral reefs many feetbeneath the surface. Moreover, there are no local fisheries or otherindustries to interfere with the activities of the laboratory. The. A Glimpse of Bird Life in the Tortugas Islands. richest coral reefs of Florida lie within a few yards of its dock and themoat at Fort Jefferson, the loose stones of Bush Key Reef, and theremarkable tern colony on Bird Key from May until September affordopportunities for fruitful studies. The main buildings at Tortugas are 53 and 87 feet long respec-tively, together with an aquarium, machine shop, pumping station, anddock. The principal vessel of the Department is the Anton Dohrn,a 70-foot, twin-screw yacht of 100 horsepower. Three launches, theSea Horse, Vellela, and Henderson, are also employed, and a glass-bottomed boat, the Darwin, has recently been added for observing therelations between the colors and habits of coral-reef fishes. DEPARTMENT OF MARINE BIOLOGY. 31 The ever-increasing expense of research and the growing com-plexity of apparatus make it almost impossible for extensive investi-gations in science to be maintained by ordinary pr


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