. The sea-beach at ebb-tide : a guide to the study of the seaweeds and the lower animal life found between tidemarks . Ovalipes ocellatus, the lady-crab. disappears beneath the sand when danger approaches. It possesses thepower of burrowing in common with other marine animals which inhabitexposed beaches of loose sand. By burying itself deep in the sand it isprotected from the action of the breakers. This species is easily dis-tinguished by the color and shape of its carapace, taken in connectionwith its posterior swimming-feet. The body is nearly as long as it isbroad, with five prominent spi
. The sea-beach at ebb-tide : a guide to the study of the seaweeds and the lower animal life found between tidemarks . Ovalipes ocellatus, the lady-crab. disappears beneath the sand when danger approaches. It possesses thepower of burrowing in common with other marine animals which inhabitexposed beaches of loose sand. By burying itself deep in the sand it isprotected from the action of the breakers. This species is easily dis-tinguished by the color and shape of its carapace, taken in connectionwith its posterior swimming-feet. The body is nearly as long as it isbroad, with five prominent spines on each side. The front margin isindented on each side of a three-spined rostrum, to form cavities for theeyes. The first limbs are large and have claws; the posterior ones areflattened into swimming-feet, and the intermediate three pairs are sim-ple in structure, ending in points. In color it is white, covered withspotted rings of red and purple. CRABS 277. IIIHI-IT imirotiix, the rock-crab ; malo. W. \LKtXii CRABS FAMILY CANCROIDS:GENUS Cancer C. hloifitiis, the rock-crab. This is the common crab of the New Hi inland coast. It ranges from Labrador to South Carolina, but is rare south of New Jersey. It is found on sandy as well as on rocky shores at and below low- water mark and also between tide-marks, hidiugamong rocks, nearly buried in sand or gravel, and in tide-pools, where some- times amusing combats between the males may be seen. The carapace is suboval, one third broader than long, the breadth being often from three to four inches. The surface is granulated but smooth ; the color is yellowish, closely dotted with brown. The eyes are on short stalks in deep, circular holes, and between the eyes ai-e small teeth. There are nine blunt teeth along each side of the front edge of the carapace. The first pair of legs are short and stout, and terminate in claws. The four posterior pairs are slender and end in pointed tips. This is an edi
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectmarinea, bookyear1901
