000 00275 a2200121 4500
080 _a594.6
_bB 294 M
245 1 _aMollusks
_cby P. Bartsch
260 _aNew York
_bDover Pub. Inc.
_c1968
650 _aMollusks
100 1 _aBartsch, P.
_d
300 _a111 p.
901 _a105974
999 _c37386
_d37386