. Science of the sea. An elementary handbook of practical oceanography for travellers, sailors, and yachtsmen. Fig. 64.—Sargassum (Blake). Fig. 65.—Section through Frond ofFucus. (Afterbornet and thuret.) BROWN AND RED ALGiE 149 y. I - &-. Fig. 66.— Air vesicles ; b, cylindrical conceptacula c, leaf.

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Keywords: ., bookcentury1900, bookdecade1910, booksubjectocean, bookyear1912