Changed "one-thirteenth" to "one-thirtieth" on page 194: "be one-thirtieth as large." 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." Changed "deely" to "deeply" on page 305: "who most deeply feel."