na INLIS000000000024617 Ind 0010-1218006455 Invertebrate paleontology EASTON, W.H. W.H. Easton new York Harper brothers 1960 xii, 701 p. : ill. ; 29 cm. xii, 701 p. : ill. ; 29 cm. 562EASi Bibl.: p. 661-701 562 INVERTEBRATES PALAEONTOLOGY 929/61