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Updated: May 11, 2025
Out of a hundred experiments ninety-nine might fail. In Ceylon we have no wealthy experimentalists, no agricultural exhibitions, no model farms, but every man who settles in a colony has left the mother country to better himself; therefore, no private enterprise is capable of such speculation.
"First crosses between forms sufficiently distinct to be ranked as species, and their hybrids, are very generally, but not universally, sterile. The sterility is of all degrees, and is often so slight that the two most careful experimentalists who have ever lived have come to diametrically opposite conclusions in ranking forms by this test.
Since then a conspiracy of accidents has changed the whole problem; the bicycle and its vibrations developed the pneumatic tyre, the pneumatic tyre rendered a comfortable mechanically driven road vehicle possible, the motor-car set an enormous premium on the development of very light, very efficient engines, and at last the engineer was able to offer the experimentalists in gliding one strong enough and light enough for the new purpose.
Experimentalists will sometimes cut off one or other of the triple rays of which sunlight is composed by passing the beam through some medium which intercepts the red, or the violet, or the yellow, as may chance. And my sin makes an atmosphere which cuts off the gentler rays of that divine nature, and lets the fiery ones of retribution come through.
A vast number of observations gathered by laboratory experimentalists as well as by those naturalists of the abnormal, physicians in active practice, prove that the construction of the individual both during development before maturity, and maintenance during maturity, his constitution, in short, is directed by the endocrine glands.
Hybrids are seldom raised by experimentalists in great numbers; and as the parent-species, or other allied hybrids, generally grow in the same garden, the visits of insects must be carefully prevented during the flowering season: hence hybrids will generally be fertilised during each generation by their own individual pollen; and I am convinced that this would be injurious to their fertility, already lessened by their hybrid origin.
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