[Page 35]: 'A nactium' Unknown word. Unchanged.

[Vol. XVI, Plate I]: 'Cookii' changed to 'Cookei'.

[Page 48]: 'Stermonitis scintillans' changed to 'Stemonitis scintillans'.

[Page 84], [85(2)]: 'circumcissile' changed to 'circumscissile'.

'Network' and 'net-work' are used interchangeably throughout.

Use of accents is inconsistent, especially in illustrations.

Links to Plates XIII, XIV and XV added in html version.

Plates moved closer to referencing text.