The Polychaete Genus, Acrocirrus, from Japanese Waters Shiro Okuda On a tubicolous polychaete living in commensal with a pycnogonid Shiro Okuda Description of a new polychaete Thoracophelia Yasudai n. sp. Shiro Okuda Some Tubicolous Annelids from Hokkaido Shiro Okuda Description of two polychaetous annelids found in the burrows of an apodous holothurian Shiro Okuda Some ariciid worms from Japan Shiro Okuda Note on two unrecorded pelagic polychaetes from Japan Shiro Okuda Occurrence in north Japan of a new species of an aberrant polychaete genus, Lycastopsis Shiro Okuda Annelida polychaeta in Onagawa Bay and its Vicinity. I.Polychaeta Sedentaria Shiro Okuda On an ampharetid worm, Schistocomus sovjecticus Annenkova, with some notes on its larval development Shiro Okuda Annélides polychaetes du Japon Pierre Fauvel