. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. OXYGEN UPTAKE IN TUBULARIA 451 region immediately proximal. Since the accuracy of the results depended upon the accuracy of the measurements of length and diameter of the stem segments, the sizes of the pieces were checked under a microscope with an ocular micrometer, and stems which varied were discarded. Oxygen uptake measurements were made in the ClafF modification of the Holter (1943) and Linderstro'm-Lang (1943) cartesian diver apparatus with 7 flo- tation tubes suspended in a water bath maintained at 18° C. ±.01° C. Fo
. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. OXYGEN UPTAKE IN TUBULARIA 451 region immediately proximal. Since the accuracy of the results depended upon the accuracy of the measurements of length and diameter of the stem segments, the sizes of the pieces were checked under a microscope with an ocular micrometer, and stems which varied were discarded. Oxygen uptake measurements were made in the ClafF modification of the Holter (1943) and Linderstro'm-Lang (1943) cartesian diver apparatus with 7 flo- tation tubes suspended in a water bath maintained at 18° C. ±.01° C. For each series of measurements six of the tubes contained divers with tubularian stems and the seventh contained an unfilled diver to act as a check on the equipment. A "braking" pipette (Claff, 1947) was used to insert stem pieces plus 2 of in- cubating solution into the divers. The necks of the divers were sealed with 2 NaOH to absorb CO2 and 2 paraffin oil to prevent diffusion of gases. After sufficient time for the divers to equilibrate, manometer readings were taken every 10 minutes for a minimum of two hours. RESULTS Since oxygen uptake data obtained on single 3-mm. stems were used as a stand- ard of reference, in each set of measurements at least one diver contained a 3-mm. stem, the "; In the various experiments to be described the oxygen up- 30 26 22 16 14 10 Tubularia From Warm Water 868J6 MEAN. MEAN. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Marine Biological Laboratory (Woods Hole, Mass. ); Marine Biological Laboratory (Woods Hole, Mass. ). Annual report 1907/08-1952; Lillie, Frank Rattray, 1870-1947; Moore, Carl Richard, 1892-; Redfield, Alfred Clarence, 1890-1983. Woods Hole, Mass. : Marine Biological Laboratory
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Keywords: ., bookauthorlilliefrankrat, booksubjectbiology, booksubjectzoology
