The invertebrates: smaller coelomae groups / by Libbie Henrietta Hyman Hyman, Libbie Henrietta, 1888- Invertebrates. QL362 .H9 592 HYI Vol. 6- has series: McGraw-Hill in the invertebrates. Vol. 4- lack edition statement. Includes bibliographies. New York : McGraw-Hill, c1940 c1940 1940 Text viii, 783 p. : eng McGraw-Hill publications in the zoological sciences