. The sea-beach at ebb-tide : a guide to the study of the seaweeds and the lower animal life found between tidemarks . e of small spines. Its color is dull yellow, and its size oftena foot or more in diameter. It is the large starfish so often seen in curi-osity-shops. (Plate LII.) GENUS Nidorella N. arniata. This very curious pentagonal species, found on theCalifornia coast, is five to six inches in diameter and red in color. Theupper surface is raised and covered with thick, pointed spines one half of aninch to one inch long, arranged in lines, but not crowded. The ossicleson the margins are
. The sea-beach at ebb-tide : a guide to the study of the seaweeds and the lower animal life found between tidemarks . e of small spines. Its color is dull yellow, and its size oftena foot or more in diameter. It is the large starfish so often seen in curi-osity-shops. (Plate LII.) GENUS Nidorella N. arniata. This very curious pentagonal species, found on theCalifornia coast, is five to six inches in diameter and red in color. Theupper surface is raised and covered with thick, pointed spines one half of aninch to one inch long, arranged in lines, but not crowded. The ossicleson the margins are large; some of them are hemispherical and bearlarge spines. Smaller spines border the under edge of the margins.(Plate LIII.) FAMILY ASTERINIDJE The starfishes of this family are pentagonal, with a large bodyand short arms. The disk is more or less elevated in the center,and the edges are sharp. There are two rows of ambulacra. Theossicles are notched and overlapping. The family is confined totemperate and tropical waters. GENUS Asterina A. folium. Small, pentagonal, swollen (gibbous). Found on theFlorida 1LATK LI I. (trliixlisnis crispatiisLuidia clatlirata. artii-ularis. Ilijipastcriareticularis.
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectmarinea, bookyear1901
