Published in Western Australian Naturalist, in 2000, in volume 22, issue 4, pages 211-219

Published in Western Australian Naturalist, in 2000, in volume 22, issue 4, pages 221-279

Published in Western Australian Naturalist, in 2000, in volume 22, issue 4, pages 281-288

Published in Western Australian Naturalist, in 2000, in volume 22, issue 4, pages 289-294