"Assignable" Quotes from Famous Books
 ... them, not so much one with another, as with their analogues from the continent. I have somehow felt, like you, that an alpine form of a plant is not a true variety; and yet I cannot admit that the simple fact of the cause being assignable ought to prevent its being called a variety; every variation must have some cause, so that the difference would rest on our knowledge in being able or not to assign the cause. Do you consider that a true variety should be produced by causes acting through ...
— More Letters of Charles Darwin - Volume I (of II) • Charles Darwin
... from 10 mi. S and 1 mi. W Gruver, Hansford Co., in the Panhandle of Texas, the one adult is clearly assignable to aztecus as is the specimen from 9 mi. E Stinnett, Hutchinson Co., Texas, that was referred to dychei by ...
— Geographic Variation in the Harvest Mouse, Reithrodontomys megalotis, On the Central Great Plains And in Adjacent Regions • J. Knox Jones
... the constituent parts of the mineral bodies as "de lames infiniment minces;" but who is it does not see, that these infinitely thin plates are no other than bodies of three dimensions, contrary to the supposition; for, infinitely thin, means a certain thickness; but the smallest possible or assignable thickness differs as much from a perfect superficies ...
— Theory of the Earth, Volume 1 (of 4) • James Hutton |
