A study of the whole vegetable kingdom, however, negatives the theory that the compounds absorbed are in the strict sense to be called food.
The two modes of growth are directly opposed, and at first sight it appears that this fact negatives the view that Endopterygota have been derived from Exopterygota.
Rutherfurd's photographs of the Pleiades in 1866 entitle him to rank as a pioneer in the use of the camera as an instrument of precision; and he secured at Cordoba 1400 negatives of southern starclusters, the reduction of which occupied the closing years of his life.
Lohre negatives this ground also.
" The induction which is to be available for the discovery and demonstration of sciences and arts must analyse nature by proper rejections and exclusions; and then, after a sufficient number of negatives, come to a conclusion on the affirmative instances, which has not yet been done, or even attempted, save only by Plato.
It is constructed to show all the possible combinations of a set of logical terms with their negatives, and, further, the way in which these combinations are affected by the addition of attributes or other limiting words, i.e.
9 9 5 of stars imprinted on negatives taken at Arequipa with the Bruce 24-in.
These experiences are like photographic negatives, until language develops them and brings out the memory-images.