Mon, 16 Dec 1996 21:11:54 GMT, Narayan S. Raja wrote about river dolphins, and their Proto-Indo-Cetacean homeland in the high Himalayas. I think, we can go further back in the Cetacean prehistory and construe a Proto-Indo-Sino-Cetacean homeland as there are river dolphins in the Yangtze, too. Klaus Karttunen