Changed "skeletous" to "skeletons" on page 208: "Can they have skeletons."

In the footnote from page 217, "Schroeter" appears with the oe-ligature; elsewhere it does not. The ligature was replaced by the two separate characters in the footnote.

Changed "how-however" to "however" in the footnote from page 233: "This, however."

Changed "hisorians" to "historians" on page 253: "natural-historians."

Changed "Meaning" to "meaning" at the beginning of page 261, since it's not a new sentence.

Changed "crystalizes" to "crystallizes" and "crystaline" to "crystalline" on page 265: "Ice crystallizes;" "crystalline aggregation."

Changed "Artic" to "Arctic" in the footnote from page 265: "Account of the Arctic Regions."

Changed "kingdon" to "kingdom" on page 267: "the animal kingdom."

Changed "splendour" to "splendor" on page 273: "the material splendor."

Changed "hightest" to "highest" on page 295: "the highest degree."