. The sea-beach at ebb-tide : a guide to the study of the seaweeds and the lower animal life found between tidemarks . in color. The abdominal segments are unitedand bluntly rounded, and each has a small median tooth. The abdomi-nal feet are inclosed by the opercularfeet. Eggs and young are carried in apouch. GENUS Chitidotea C. cfeca. This species burrows be-neath the surface of the sand, raising itup into a little ridge, and makes amound at the end of the burrow, whereit may be found. These trails arecommon on the wet sand. It imitatesthe sand in color, and is about half aninch in length, wi
. The sea-beach at ebb-tide : a guide to the study of the seaweeds and the lower animal life found between tidemarks . in color. The abdominal segments are unitedand bluntly rounded, and each has a small median tooth. The abdomi-nal feet are inclosed by the opercularfeet. Eggs and young are carried in apouch. GENUS Chitidotea C. cfeca. This species burrows be-neath the surface of the sand, raising itup into a little ridge, and makes amound at the end of the burrow, whereit may be found. These trails arecommon on the wet sand. It imitatesthe sand in color, and is about half aninch in length, with a broad thorax andnarrow abdomen terminating in a is found on the New England coast. C. entomon (Linnteus). This speciesof the northern Pacific coast is from oneto three inches long. The head has theappearance of two lobes, the sides hav-ing two rounded ends. The body isbroad, the abdomen narrowing to apointed end. The last segments of the abdomen are united, and theabdominal feet are inclosed by the first pair, which extend over themlike an operculum. The epimera are broad, with acute lateral Chiridotea caeca. CLASS MERISTOMES ORDER XIPHOSURA GENUS Limulus L. polyphennus, the horseshoe- or king-crab. This well-known andcurious animal ranges along the Atlantic coast from Maine to Mexico. HORSESHOE-CRAB 295 It lives on sandy and muddy shores below low-water mark, where it bur-rows beneath the surface. At the breeding season — May, June, andJuly — it comes ashore to deposit its eggs near high-water mark. Thecrabs come up tho beach in pairs, the male being the smaller and ridingon the back of the female, holding on by short feet provided with nip-pers, which are peculiar to the males. Sometimes the female is ac-companied by several males, each one holding on to the tail of anotherand forming a string of animals. After the female has deposited hereggs in a hole excavated by her for the purpose, the male covers themwith milt, and they then return to the wate
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectmarinea, bookyear1901
