000			00289nam a2200121 4500
245			_aEchinoderms _cDavid Nichols
100			_aNichols, David
250			_a4th ed.
260			_aLondon _bHutchinson University Library _c1969
300			_a192p.; 21cm.
082			_a593.9 _bNIC
041			_aeng
999			_c21314 _d21314