...On the twelfth of February we sailed from Jamaica, and onthe eighteenth arrived at the Musquito shore, at a place calledDupeupy... 
Olaudah Equiano 「The Interesting Narrative of the Life of Olaudah Equiano, Or Gustavus Vassa, The African」
...This highway wasdestroyed by the 'missionaries of civilization' from Arabia only towardthe close of the eighteenth century...
W.E.B. Du Bois 「The Negro」
...It was not until the eighteenth and nineteenth centuries that the demandfor slaves in Christian lands made slaves the object, and notthe incident, of African wars...
W.E.B. Du Bois 「The Negro」
...After the Asiento treatythe Negro population increased in the eighteenth century fromabout 50,000 in 1710 to 220,000 in 1750 and to 462,000 in 1770...
W.E.B. Du Bois 「The Negro」
...He learned in the eighteenth century the English language, hebegan to be identified with the Christian church, he mingled hisblood to a considerable extent with the master class...
W.E.B. Du Bois 「The Negro」
...At first, in the early part of the eighteenth century,there was but one thought: revolt and revenge...
W.E.B. Du Bois 「The Negro」
..."The words of the code," says he, "are fruitful sap with which the classic works of the eighteenth century overflow...
P. J. Proudhon 「What is Property?」
...—Professor Allen cites numerous authorities, whoseobservations furnish abundant evidence of the existence of the buffaloin South Carolina during the first half of the eighteenth century...
William T. Hornaday 「The Extermination of the American Bison」
...—At the beginning of the eighteenth century,buffaloes were plentiful in southern Mississippi and Louisiana, not onlydown to the coast itself, from Bay St...
William T. Hornaday 「The Extermination of the American Bison」
...There are fresh things to berelated of the cuckoo; how "wonder has beenadded to wonder" by observers of that bird sincethe end of the eighteenth century...
W. H. Hudson 「Birds and Man」
...In the eighteenth century this erroneous conception of the natureof the disease was abandoned and all restrictions against the use of meat wereremoved...
U.S. Department of Agriculture 「Special Report on Diseases of Cattle」
...If you take a hen's egg about the eighteenth or the nineteenth day ofincubation and hold it closely in your hand, you may be able to feel thechick move...
John H. Robinson 「Our Domestic Birds」
...Nearly all the varieties of the canarywere developed before the eighteenth century...
John H. Robinson 「Our Domestic Birds」
...At thecommencement of the eighteenth century these wild cattle were found inlarge numbers all throughout the valley of the Ohio, of the Mississippi,in Western New York, in Virginia, &c...
George Vasey 「Delineations of the Ox Tribe」
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