. Evolution and animal life; an elementary discussion of facts, processes, laws and theories relating to the life and evolution of animals . FIG. 58.—Seedlings from one hybrid plum. (After photograph by Burbank.) esting plumcot by hybridizing the Japanese plum and theapricot. The plumcot, however, has not yet become a fixedvariety and may never be, as it tends to revert to the plum.

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Keywords: ., bookauthorkelloggvernonlvernonl, bookcentury1900, bookdecade1900