. The sea-beach at ebb-tide : a guide to the study of the seaweeds and the lower animal life found between tidemarks . I muddy shores from New Jersey northward. FAMILY MALDANIDJE The tubes of these animals arc formedof sand, a short portion projecting, andare very abundant in certain is a horny plate on the uppersurface of the head, and the skin on thesides of the head is raised in is a funnel-like process at theposterior extremity; gills are of the segments in the middle ofthe body are longer than the rest. GENUS Clymenella C. tort/HHtfi. Body long, compo
. The sea-beach at ebb-tide : a guide to the study of the seaweeds and the lower animal life found between tidemarks . I muddy shores from New Jersey northward. FAMILY MALDANIDJE The tubes of these animals arc formedof sand, a short portion projecting, andare very abundant in certain is a horny plate on the uppersurface of the head, and the skin on thesides of the head is raised in is a funnel-like process at theposterior extremity; gills are of the segments in the middle ofthe body are longer than the rest. GENUS Clymenella C. tort/HHtfi. Body long, composed oftwenty-two segments ; the fifth segment has -i,7 •,.-, . i , ,i . li>ii<l mill fxtciidi-il nnilidscis, a collar-like fold; the caudal extremity is fr,,nt vi,.w. ,, ,,,,st,,ri,,v ,.,,,i: ,-, ,,,funnel-shaped and edged with papillse ; both tire animni, side view,. 184 MARINE INVERTEBRATES the first and the last three segments are bare, the rest have short bristlesabove and hooks below; head has a prominent convex plate with araised border; worm pale red, with bright-red bands around the seg-ments, sometimes brownish. It constructs nearly straight tubes of puresand close to low-water mark in sheltered coves, and ranges from NewJersey northward. GENUS Maldane M. elongata. Six to eight inches long, one eighth to one quarterof an inch in diameter ; body cylindrical, cut obliquely at both ends;head bordered by a slight fold; color brown, with red blood showingthrough. Found in sandy mud at low-water mark, in firm, deep tubesof fine niud, on the New England coast. FAMILY ARENICOLIDJE GENUS Arenicola A. marina. Five to ten inches long; brownish-green; body cylin-drical, thickest on the anterior end ; anterior and posterior ends withoutchastae; twelve to thirteen pairs of branched red gills on the central seg-ments. It makes burrows eighteen to twenty-
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectmarinea, bookyear1901
