This book uses inconsistent spelling and hyphenation, which were retained in the ebook version except in the Index and List of Illustrations, where spelling was altered to match the body of the text where differences were noted. Index entries were re-ordered to preserve alphabetical order when the spelling changes resulted in out of order entries. Some corrections have been made to the text, including normalizing punctuation. Further corrections are noted below:
D added to Fig. [97] before Cristellaria compressa
Fig. [97]: Foraminifora -> Foraminifera
p. [124] the Isidinæ is jointed -> the Isidæ is jointed
p. [142] the depths of the lagoon -> the depth of the lagoon
p. [236] entirely ontained -> entirely contained
[Book catalogue]: Sale’s Brigade in Affghanistan -> Sale’s Brigade in Afghanistan
[Book catalogue]: carborough, Whitby -> Scarborough, Whitby
[Book catalogue]: MELVILLE’S (Hermann) -> MELVILLE’S (Herman)
[Book catalogue]: the Kiver Yukon -> the River Yukon