Collecting site

Oshima-hanto (Watari Shima, Oshima Peninsula), Japan

latitude: 42     42°0'0"N
longitude: 140.5     140°30'0"E

[Precision of location: Alexandria Digital Library (with NGA GNDB data)]
[Site Named Here by name of sea, gulf, or country named in source publication]

Collected here:

Polycelis auriculata Ijima & Kaburaki, 1916	1974 or earlier			South and Central Hokkaido (seaboard and the Lake Onuma districts in the Oshima Peninusula, northeastern part of the Lake Shikotsu-ko district, the Erimo Cape, the Hidaka Mountains, the Mts. Daisetsu district and the southern part Kitami Mts.)
Polycelis (Polycelis) sapporo (Ijima & Kaburaki, 1916)	1974 or earlier			South and Central Hokkaido (seaboard and the Lake Onuma districts in the Oshima Peninusula, northeastern part of the Lake Shikotsu-ko district, the Erimo Cape, the Hidaka Mountains, the Mts. Daisetsu district and the southern part Kitami Mts.)
Phagocata vivida (Ijima & Kaburaki, 1916)	1974 or earlier			South and Central Hokkaido (seaboard and the Lake Onuma districts in the Oshima Peninusula, northeastern part of the Lake Shikotsu-ko district, the Erimo Cape, the Hidaka Mountains, the Mts. Daisetsu district and the southern part Kitami Mts.)
Dugesia japonica Ichikawa & Kawakatsu, 1964	1974 or earlier			South and Central Hokkaido (seaboard and the Lake Onuma districts in the Oshima Peninusula, northeastern part of the Lake Shikotsu-ko district, the Erimo Cape, the Hidaka Mountains, the Mts. Daisetsu district and the southern part Kitami Mts.)