CONTENTS 



Pages 



1. Goniadidae, Glyceridae and Nephtyidae 



(Plates 1-19, Text Figs. 1-3), by Olga Hartman 1-182 



2. Some polyclad flatworms from the Galapagos Islands 



(Figures 1-14), by Libbie H. Hyman 183-210 



3. Orbiniidae, Apistobranchidae, Paraonidae and Longosomidae 



(Plates 20-«, 1 chart), by Olga Hartman 211-393 



Index 39^- 



