The physiology of trematodes / J. D. Smyth. Smyth, J. D. (James Desmond), 1917- Trematoda. QL391.T7 S58 1966a 595.122 22 SMP Includes Bibliography: (p. 218-237) London : Oliver & Boyd, 1966. 1966. 1966 Text xvi, 256 p. : eng University reviews in biology, 7