. Ocean wonders: a companion for the seaside. silver and golden shells. It is curious to see, if one gives the group a slight tap, orif they are in any way disturbed, how each one closes itsdoors in regular succession, as if an inaudible order had beengiven, Close shells ! one—two—three ! and so on, till thewhole mass is as thoroughly protected from intrusion as theirdelicate coverings will permit. The little boat-shell (Crepidulafornicata), emptiedof its inhabitant, bears a close resemblance to a row-boat, witha very serviceable seat in the stern, extending quite across,with a hollow spa
. Ocean wonders: a companion for the seaside. silver and golden shells. It is curious to see, if one gives the group a slight tap, orif they are in any way disturbed, how each one closes itsdoors in regular succession, as if an inaudible order had beengiven, Close shells ! one—two—three ! and so on, till thewhole mass is as thoroughly protected from intrusion as theirdelicate coverings will permit. The little boat-shell (Crepidulafornicata), emptiedof its inhabitant, bears a close resemblance to a row-boat, witha very serviceable seat in the stern, extending quite across,with a hollow space beneath it. Thesemollusks are mostly found on oyster,clam, or other shells; sometimes onstone or wood, or on the coarser kindsof algse. Their general appearance inthis position is like a quantity of ovahshaped, shallow cups piled together ina reversed position, for they pile them-selves up in tiers five or six deep. Tosee the animal which inhabits them,we must pull the shells apart, and look Boat-Shell (Crepidula). on the Under MOLLUSKS: THE BORING PHOLAS, TEREDO, ETC. 97 But we might go on almost endlessly without being ableto give, after all, more than a fraction of this numerous—wemight say inexhaustible—family of mollusks. Fearing toweary the reader, we shall add but one more to our list. The Chiton (called also Chcetopleura) is a gasteropod, at-tractive from its handsome and serviceable shell. The name
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Keywords: ., bookcentury1800, bookdecade1870, booksubjectmarineanimals, bookye
