. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. 336 HARRY C. DAVIS foratecl plastic plunger and a one-, two- or five-cc. sample was withdrawn and pre- served. All the larvae in a sample were transferred to a Sedgwick-Rafter cell and examined under a compound microscope. Larvae that were living at the time the sample was taken could thus be identified and counted to determine the per cent surviving and a random sample of 100 of these larvae was measured to obtain growth data. 140 130 120 CO o tr o no z X 100 z LU 90 30 70- LEGEND B-DICRATERIA INORNATA D-HEMISELMIS RUFESCEN
. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. 336 HARRY C. DAVIS foratecl plastic plunger and a one-, two- or five-cc. sample was withdrawn and pre- served. All the larvae in a sample were transferred to a Sedgwick-Rafter cell and examined under a compound microscope. Larvae that were living at the time the sample was taken could thus be identified and counted to determine the per cent surviving and a random sample of 100 of these larvae was measured to obtain growth data. 140 130 120 CO o tr o no z X 100 z LU 90 30 70- LEGEND B-DICRATERIA INORNATA D-HEMISELMIS RUFESCENS E-CHROMULINA PLEIADES F-UNIDENTIFIED CHRYSOMONAD H-PYRAMIMONAS GROSSII I-ISOCHRYSIS GALBANA CHLORELLA. F • 10 CULTURES -RECEIVING BACTERIA 10 12 14 DAYS FIGURE 1. Growth of larvae of C. virginlca fed different foods. Each point on a curve represents the mean length of 100 larvae. Flagellates D, E, and I were fed at the rate of 10,000 per Flagellates H and F were fed at the rate of 5000 per Flagellate B was fed at the rate of 10,000 per for first seven days and 5000 per there- after. Eighteen parallel cultures were used in the first of the present series of experi- ments. Each of the first nine received a different species of the marine bacteria isolated by Dr. Burkholder, six of the remaining each received a different species of the marine flagellates received from England, one received B. coli plus a bac- teriophage, one received our "mixed Chlorella" and the final culture, which re- ceived no supplemental food, served as the 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
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Keywords: ., bookauthorlilliefrankrat, booksubjectbiology, booksubjectzoology
