Program of the 10th Congress ofthe Sea of Japan Cetology Research Group

Ｐ1：Rescue of Marine Mammals
^○Earl Richmond (Marine Mammal Center, U.S.A.), Michiru Ogino, Yuki Ogino（Natl.Sci．Mus．，Tokyo）, and Koji Tokutake (Aqua Mus．Hakkeijima)

Ｐ2：Bluewhales of Baja California:a report of the survey by sighting and photographing 1998-1999.
^○Yuki Ogino and Michiru Ogino (National Science Museum Friendship Club)

Ｐ3：Transportation of Pacific white sided dolphins incidentally caught in set nets off Nanao, Toyama Bay.
^○Tetsuya Matsuoka, Toshirou Okeda, Masafumi Kato, and Yoshiaki Komatsu (Notojima Aquarium)　

Ｐ4：Gonadal histology of the marine mammals stranded on the coast of Toyama (Etchu) and Niigata (Echigo) Prefectures, Sea of Japan.
^○Yoshiharu Honma, Tatsuo Ushiki, Masaei Takeda (3rd Dept. Anat.,Niigata Univ. Sch. Med.), and Junji Shindo (Niigata City Aquar.)

Ｐ5：Cetacean strandings in the coasts of Yamagata Prefecture, Japan during 1998-1999.
.^○Kazuo Nagasawa (Yamagata Prefectural Museum), Tadasu K. Yamada, Toshiaki Kuramochi (National Science Museum), Junji Shindo (Niigata City Aquarium), and Suburu Oba (Yamagata Prefectural Museum)

Five cases of cetacean stranding were recorded in the coasts of Yamagata Prefecture, Japan during 1998-1999. The cetaceans were identified as four Mesoplodon stejnegeri and one Lagenorhynchus obliquidens. Three of them were pathologically examined in the field or laboratory. Some new biological data were obtained; however causes of stranding and death still remains unsolved.

During the last seven years, thirteen cases of cetacean stranding were recorded in Yamagata Prefecture, including the five above. Ten were M. stejnegeri. Therefore, like along other stretches of the Sea of Japan coast, the stranded species are more likely to be M. stejnegeri than any other species. Further stranding surveys will be required to understand which cetacean species live in the Sea of Japan and to know their biological characteristics.

Ｐ6：Stranding of mesoplodont whales in the Republic of Korea．
Koo-byong Park (Institute of History of Fisheries, Korea) and ^○Tadasu K. Yamada (National Science Museum)

A Stejneger's beaked whale stranded on the coast of Pusan, on April 8, 1999 : a photograph taken by Koo-byong Park.

Ｐ7：The Mibiki site with dolphin bones of the Early Jomon period (c.6000 B.P.) at Tazuruhama-machi in Ishikawa Prefecture.
Yoshitaka Kojima and Tetsuya Kanayama (Ishikawa Archaeological Foundation)

Ｐ8：Anthracosis found in the lung and hilar lymph node of the cetaceans.
^○Akinori Shimada (Dept.Vet. Pathol., Tottori Univ.), Sumiyo Ishikawa (Analysis Center, Horiba Ltd), and Masahiko Sato (National Institute for the Environmental Studies)

Ｐ9：The Mawaki site investigation 1998 in Noto-machi, Ishikawa Prefecture: Its outline and a view of the future.
The Noto-machi Board of Education, and the Mawaki Site Investigation Committee

Poster Presentation of the 10th Congress of the Sea of Japan Cetology Research Group

Poster Presentation of the 10th Congress of
the Sea of Japan Cetology Research Group