Published in Zoological Science, in 1991, in volume 8, pages 885-891
Created: 2012-09-19, modified: 2012-09-19![](https://www.biodiversitylibrary.org/pagethumb/40517957,60,60)
Published in Zoological Science, in 1994, in volume 11, pages 113-119
Created: 2012-09-19, modified: 2012-09-19![](https://www.biodiversitylibrary.org/pagethumb/40503150,60,60)
Published in Zoological Science, in 1988, in volume 5, pages 489-492
Created: 2012-09-19, modified: 2012-09-19