TY - BOOK AU - Hyman, Libbie Henrietta TI - The invertebrates T2 - McGraw-Hill publications in the zoological sciences U1 - 592 23 PY - 1940/// c1951c1955, c1967 [reprinted 1959] CY - New York : PB - McGraw-Hill Book Company KW - Invertebrates. N1 - Include index; V. 1 Protozoa through Ctenophora -- V.2 Platyhelminthes and rhynchocoela the acoelomate bilateria.--Vol. 3 Acanthocephala, Aschelminthes, and Entoprocta, the pseudocoelomate Bilateria -- V. 4 Echinodermata, The coelomate bilateria -- V. 5 Smaller coelomate groups, chaetognatha, hemichordata, pogonophora, phoronida, ectoprocta, brachiopoda, sipunculida : the coelomate bilateria -- V.6. Mollusca -- ER -