CYCLOPHYLLIDEAN CESTODES FROM BIRDS IN BORNEO By MICHAEL D. B. BURT CONTENTS ABSTRACT ..... INTRODUCTION ..... HOST-LIST ..... MORPHOLOGICAL DESCRIPTIONS . Family Anoplocephalidae Genus Paronia Diamare Family Davaineidae Genus Raillietina Fuhrmann Family Hymenolepididae Genus Hymenolepis Weinland Genus Fimbriaria Frolich . Family Dilepididae Genus Paricterotaenia Fuhrmann Genus Dilepis Weinland . Genus Liga Weinland Genus A nomotaenia Cohn . Genus Parvitaenia Burt Genus Vitta Burt Genus Kowalewskiella Baczynska Genus Ascometra Cholodkovsky Genus Notopentorchis Burt Family Acoleidae Fuhrmann Genus Gyrocoelia Fuhrmann ACKNOWLEDGMENTS REFERENCES Page 283 284 284 285 285 285 287 287 310 310 3i5 315 315 316 317 3i9 324 325 328 331 333 336 336 34 1 34 2 ABSTRACT Twenty seven species of cestodes, collected from 20 species of birds in Borneo, are identified and described in the following order : Paronia bocki Schmelz; Raillietina echinobothriaa (Megnin); R. johri Ortlepp; R. parviun-cinata Meggitt et Saw; R. sequens Tub. et Masil. ; R. allomyodes K6tlan; Raillietina sp. ; R. siamensis Schmelz; Hymenolepis mahonaenom. nov. ; Hymenolepis sp.; Fimbriaria fasciolaris (Pallas) ; Paricterotaenia burti Sandeman ; Dilepis ardeolae Singh ; Liga facile (Meggitt) ; A nomo-taenia depressa (Siebold) ; A . nymphaea (Schrank) ; A . tringae (Burt) ; Parvitaenia sp. ; Vitta rustica (TSTeslobinsky) ; Dilepid sp. ; Kowalewskiella susanae sp. nov.; Ascometra sp. ; Notopen-torchis collocaliae Burt; Gyrocoelia perversa Fuhrmann; Acoleid spp. (3). Of these, two are new species, one is recorded from Asia for the first time, and the synonymy and taxonomy of each species is discussed. The descriptions are as complete as the material allowed and are supported by 60 text figures and 12 tables. ZOOL. 17, 8. 19