...the African and the Asiatic, nevertheless there is a greatdifference in the size, character, and colour of their tusks, which mayarise from variations in climate, soil, and food... 
David Livingstone 「The Last Journals of David Livingstone, in Central Africa, from 1865 to His Death, Volume II (of 2), 1869-1873」
... At best ithas but imposed one single mode of life upon all, without regard toindividual and social variations and needs...
Emma Goldman 「Anarchism and Other Essays」
...Eternalchange, thousandfold variations, continual innovation are the essence oflife...
Various 「Mother Earth, Vol. 1 No. 2, April 1906」
...They show the same great variations in color and markings commonto most of the Gulls...
Chester A. Reed 「The Bird Book」
...Blythmentions a significant fact in distinguishing the two Indian Gibbons,whatever be their variations of colour, viz...
Robert A. Sterndale 「Natural History of the Mammalia of India and Ceylon」
...The same subject occurs again, with some variations,in the twenty-eighth story, which follows; only insteadof John and Helen, we have John and Mary, the sun andthe aurora of the Christians...
Angelo de Gubernatis 「Zoological Mythology, Volume I (of 2)」
...Like everything else in relation to living things there arenumerous variations in the prevailing modes of hibernation...
Clarence M. Weed 「Butterflies Worth Knowing」
...One of the many things that make a study of the life-historiesof butterflies of great interest is the variations inthe development of many of the species...
Clarence M. Weed 「Butterflies Worth Knowing」
...This is indeed a remarkable showing and it is a strikingillustration of the infinite variations which Nature canproduce with the most limited materials...
Clarence M. Weed 「Butterflies Worth Knowing」
...It is probable that even this rather elaborate statementdoes not do justice to all the variations in the developmentof this little butterfly...
Clarence M. Weed 「Butterflies Worth Knowing」
...The kind of food abird eats and its method of getting it, of course, bring about most,if not all, of the variations from the family type...
Neltje Blanchan 「Birds Every Child Should Know」
...For much the same reason we should name those birds which show lesspronounced variations, such as are exhibited by the Robin...
Frank M. Chapman 「Color Key to North American Birds」
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