Published in Glasgow Naturalist, in 2001, in volume 23, issue 6, pages 26-32

Published in Glasgow Naturalist, in 2001, in volume 23, issue 6, pages 35-42

Published in Glasgow Naturalist, in 2001, in volume 23, issue 6, pages 43-46

Published in Glasgow Naturalist, in 2001, in volume 23, issue 6, pages 47-48

Published in Glasgow Naturalist, in 2001, in volume 23, issue 6, pages 49-50

Published in Glasgow Naturalist, in 2001, in volume 23, issue 6, pages 51-52

Published in Glasgow Naturalist, in 2001, in volume 23, issue 6, pages 53-56

Published in Glasgow Naturalist, in 2001, in volume 23, issue 6, pages 57-61

Published in Glasgow Naturalist, in 2001, in volume 23, issue 6, pages 62-67

Published in Glasgow Naturalist, in 2001, in volume 23, issue 6, pages 68-73

Published in Glasgow Naturalist, in 2001, in volume 23, issue 6, pages 74-79

Published in Glasgow Naturalist, in 2001, in volume 23, issue 6, pages 80-87

Published in Glasgow Naturalist, in 2001, in volume 23, issue 6, pages 88-99

Published in Glasgow Naturalist, in 2001, in volume 23, issue 6, pages 100-103

Published in Glasgow Naturalist, in 2001, in volume 23, issue 6, pages 106-110