Some hyphens in words have been silently removed, some added, when a predominant preference was found in the original book. Except for those changes noted below, all misspellings in the text, and inconsistent or archaic usage, have been retained. Pg 470: ‘chiefly Brachipods of’ replaced by ‘chiefly Brachiopods of’. Pg 472: ‘these same familes’ replaced by ‘these same families’. Pg 483: ‘constituing links’ replaced by ‘constituting links’. Pg 563: ‘Camaroons Mountains’ replaced by ‘Cameroon Mountains’. Pg 563: ‘with Teneriffe in’ replaced by ‘with Tenerife in’. Pg 569: ‘existing, denundation’ replaced by ‘existing, denudation’. Pg 650: ‘their relativ size’ replaced by ‘their relative size’. Pg 718: ‘incalulable ages’ replaced by ‘incalculable ages’. Pg 722: ‘greatly diminshed’ replaced by ‘greatly diminished’.