. The sea-beach at ebb-tide : a guide to the study of the seaweeds and the lower animal life found between tidemarks . by a circle of projecting spicules. It is found intide-pools and on piles of wharves from Rhode Island northward. GENUS Leucosolenia L. botryoides. Tubular, branched. Occurs in the same places asGrantia ciliata. SUBCLASS NON-CALCAREA GENUS Suberites S. compacta. Elongated, compressed masses, sometimes in severallobes; attached by one edge; texture fine, firm, compact; surfacesmooth; color bright yellow. It grows on sandy bottoms, and is com-mon in shallow water south of Cape C
. The sea-beach at ebb-tide : a guide to the study of the seaweeds and the lower animal life found between tidemarks . by a circle of projecting spicules. It is found intide-pools and on piles of wharves from Rhode Island northward. GENUS Leucosolenia L. botryoides. Tubular, branched. Occurs in the same places asGrantia ciliata. SUBCLASS NON-CALCAREA GENUS Suberites S. compacta. Elongated, compressed masses, sometimes in severallobes; attached by one edge; texture fine, firm, compact; surfacesmooth; color bright yellow. It grows on sandy bottoms, and is com-mon in shallow water south of Cape Cod. (Plate XXXVIII.) GENUS Polymastia P. robusta. When young it forms yellowish-white incrustationsover shells and stones; later it grows into long, slender, round, tapering,finger-like projections. Found on the northern New England coasts indeep water. GENUS Cliona C. sulpJiurea, the boring-sponge. Irregular massive form of firmtexture; surface covered with scattered low wart-like prominencesabout one eighth of an inch in diameter; bright sulphur-yellow. Itdestroys, by absorption, vast quantities of dead ILATK XXXVIII. Haliclioiiflria canipana. Sillirritrs i-:ii- <|ii:itsiiitniisis (foundon the sca-bcaclics of Alaska i.
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectmarinea, bookyear1901
