. The sea-beach at ebb-tide : a guide to the study of the seaweeds and the lower animal life found between tidemarks . g, while the male is only two inches in length. In this species the body is widest in the middle, while in other species it is widest at the ante-rior end. The palps are long, and the second head-piece (peristomium) is twice as long as the next segment. The color is reddish-brown aud limbata. Five to six inches long; jaws light yellow, sharp, and slender ; parapodia and nri-tles smaller on the anterior than on the posterior end; color dark brown, with light lines
. The sea-beach at ebb-tide : a guide to the study of the seaweeds and the lower animal life found between tidemarks . g, while the male is only two inches in length. In this species the body is widest in the middle, while in other species it is widest at the ante-rior end. The palps are long, and the second head-piece (peristomium) is twice as long as the next segment. The color is reddish-brown aud limbata. Five to six inches long; jaws light yellow, sharp, and slender ; parapodia and nri-tles smaller on the anterior than on the posterior end; color dark brown, with light lines on the sides and appendages, pale red on the posterior end; dorsal blood-vessel apparent, and the heart-like pulsations can be distinctly seen. The male worm is red in the middle section. Found along the middle Atlantic coast on sandy shores. FAMILY NEPHTHYDIDJE In this family the worms have a long,thick, flattish body, a section of which has a quadrangular form. The lobes of the y««faz<m&ata. Hale, anterio* i P • -i part of body, head and extended parapodia are widely separated and fringed 178 MARINE INVERTEBRATES with membrane, appearing like double parapodia. The pharynxis very large and projected as in Nereis. GENUS NepTithys N. ingens. Sometimes six inches long and one quarter of an inchbroad ; usually smaller; color whitish, with red blood-vessel showing on dorsal side; appendages dark blown; movesactively and burrows quickly into the mud;when captured often breaks off a portion of theposterior end, which it is able to reproduce;proboscis large; branchiae between the dorsaland ventral parapodia. Found burrowing inall kinds of mud on the New England coast. N. picta. More slender than N. ingens ; colorwhitish, mottled with brown on the dorsal an-terior end; often a dark line down the back;head square in front and triangular in the in sandy mud at low-water mark. FAMILY These are beautiful worms, having a red-dish-brown iridescent body, with br
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectmarinea, bookyear1901
