Facing page 48 (Plate III), full stop inserted after ‘multifida,’ “Nemaleon multifida.”

Page 59, ‘Zpoöhytology’ changed to ‘Zoöphytology,’ “known as Zoöphytology.”

Page 83, ‘aquainted’ changed to ‘acquainted,’ “all are acquainted with”

Page 89, second ‘the’ struck, “spines of the same”

Page 98, ‘his’ changed to ‘is,’ “he is difficult to”

Page 108, ‘Zoophytes’ changed to ‘Zoöphytes,’ “Of Zoöphytes—the Madrepores”