 | Mary P. Winsor - Science - 1991 - 348 pages
...specific name. This latter point will become a far more essential consideration than it is at present ... we shall be led to weigh more carefully and to value...higher the actual amount of difference between them. 71 Again, Darwin's prediction was mistaken. A modern evolutionary taxonomist decides this question... | |
 | Charles Darwin - Reference - 1996 - 382 pages
...consideration than it is at present; for differences, however slight, between any two forms, if not blended by intermediate gradations, are looked at by most...hereafter be thought worthy of specific names, as with primrose and cowslip; and in this case scientific and common language will come into accordance. In... | |
 | Charles Darwin - Science - 1998 - 486 pages
...gradations, whereas species were formerly thus connected. Hence, without rejecting the consideration of die present existence of intermediate gradations between...value higher the actual amount of difference between diem. It is quite possible that forms now generally acknowledged to be merely varieties may hereafter... | |
 | David Briggs, Stuart Max Walters - Nature - 1997 - 538 pages
...present day by intermediate gradations whereas species were formerly thus connected. Hence, without rejecting the consideration of the present existence...may hereafter be thought worthy of specific names; and in this case scientific and common language will come into accordance. In short, we shall have... | |
 | Anna Green, Kathleen Troup - History - 1999 - 354 pages
...deserve a specific name.' But the distinction between a species and a variety is only a matter of degree. between any two forms, we shall be led to weigh more...may hereafter be thought worthy of specific names; and in this case scientific and common language will come into accordance. In short, we shall have... | |
 | Quentin C.B. Cronk, Richard M. Bateman, Julie A. Hawkins - Science - 2004 - 568 pages
...connected at the present day by intermediate gradations, whereas species were formerly thus connected ... It is quite possible that forms now generally acknowledged...may hereafter be thought worthy of specific names. (Jones, 1999:463) Bateman and DiMichele (1994a) used two detailed examples to illustrate saltation.... | |
 | David N. Stamos - Science - 2012 - 296 pages
...forms connected by intermediate gradations ought to be classified as varieties or species, when he says "Hence, without quite rejecting the consideration...higher the actual amount of difference between them" (485). The example he then gives is that of primroses and cowslips! Similarly in Descent (1871 I) Darwin... | |
 | Peter Robert Bell - Biology - 1959 - 380 pages
...classification of animals. Darwin, in the last chapter of The Origin of Species, wrote that in studying any two forms 'we shall be led to weigh more carefully...higher the actual amount of difference between them '. In ordinary thought we sometimes know more about the difference than the experiences which differ.... | |
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Hereafter we shall be compelled to acknowledge that the only distinction between species and well-marked varieties is, that the latter are known, or believed to be connected at the present day by intermediate gradations whereas species were formerly thus... 
