1. Notes on stomach contents of pygmy and dwarf sperm whales (Kogia spp.) from around Japan<br>Ayaka T. Matsuda, Tadasu K. Yamada, Yuko Tajima, Masao Amano, Takashi Matsuishi and Fumika Noto<br>2. Comparative analysis of the genetic structures of Kogia species populations in the western North Pacific.<br>Shin Nishida, Tadasu K. Yamada, Yuko Tajima and Atsushi Uchimura<br>3. A first record of digenean parasites of the dwarf sperm whale Kogia sima with morphological and molecular information<br>Akira Shiozaki, Tadasu K. Yamada, Yuko Tajima, Masao Amano and Shotaro Nakagun<br>4. A HISTOLOGICAL STUDY OF THE FACIAL HAIR FOLLICLES IN THE PYGMY SPERM WHALE (Kogia breviceps)<br>Alfredo López Fernandez, Névia Lamas, Pablo Covelo, Uxía Vázquez and Nuria Alemañ<br>5. Population structure of pygmy (Kogia breviceps) and dwarf (Kogia sima) sperm whales in the Southern Hemisphere: implications for foraging ecology and dispersal<br>Stephanie Plön, Charles Scott Baker, Padraig Duignan, Shane Lavery, Ric Bernard and Koen van Waerebee