On the Swimming Habit of a Japanese Enteropneust,Glandiceps hacksii Marion. Ikeda Iwaji 社団法人日本動物学会 日本動物学彙報 6 4 255 257 1908-06-20 1908-06-20 110003353374 AN00314061 ENG CJPref NII-ELS 1 1 On the Swimming Habit of a Japanese Enteropneust,Glandiceps hacksii Marion. Ikeda Iwaji The Zoological Society of Japan Annotationes zoologicae Japonenses Ikeda Iwaji