Review number and index: Supplement to Joseph Pitty Couthouy (Occasional papers, no.5) / by Richard I. Johnson -- Supplement to John Gould Anthony (Occasional papers, no.8) / by Ruth D. Turner -- Supplement to the catalogue of the genus Liguus (Occasional papers, no.10) / by William J. Clench -- Supplement to the catalogue of the family Truncatellidae (Occasional papers, no.13) / by William J. Clench and Ruth D. Turner -- Supplement to Jesse Wedgwood Mighels (Occasional papers, no.14) / by Richard I. Johnson -- Supplement to western Atlantic marine mollusks described by C.B. Adams (Occasional papers, no.15) / by William J. Clench and Ruth D. Turner