Published in Western Australian Naturalist, in 1981, in volume 15, issue 1, pages 1-8

Published in Western Australian Naturalist, in 1981, in volume 15, issue 1, pages 8-11

Published in Western Australian Naturalist, in 1981, in volume 15, issue 1, pages 11-13

Published in Western Australian Naturalist, in 1981, in volume 15, issue 1, pages 13-16

Published in Western Australian Naturalist, in 1981, in volume 15, issue 1, pages 17-21

Published in Western Australian Naturalist, in 1981, in volume 15, issue 1, pages 21-26

Published in Western Australian Naturalist, in 1981, in volume 15, issue 1, pages 26-28

Published in Western Australian Naturalist, in 1981, in volume 15, issue 1, pages 28-29

Published in Western Australian Naturalist, in 1981, in volume 15, issue 1, pages 29-30

Published in Western Australian Naturalist, in 1981, in volume 15, issue 1, pages 30-31

Published in Western Australian Naturalist, in 1981, in volume 15, issue 1, pages 31-33

Published in Western Australian Naturalist, in 1981, in volume 15, issue 1, pages 33-34