. Science of the sea. An elementary handbook of practical oceanography for travellers, sailors, and yachtsmen. Fig. 161.—Diatom Ooze. (After Chun, from KrOmmelsoceanographie, by permission of j. engelhorns ver-lag in Stuttgart.) 1-5, Coscinodiscus ; 6, Asteromphalus ; 7, Fragilaria antarctica ;8, 9, Synedra ; io, Rhizosolenia ; 11, Chaetoceras ; 12, Navi-cula (?) ; 13, Dictyocha ; 14, a broken Fig. 162.—Dead Shells of Globigerina, the Spines of whichhave been dissolved in their fall to the bottom(Challenger). OOZES 223

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Keywords: ., bookcentury1900, bookdecade1910, booksubjectocean, bookyear1912