Regulation of Sex Proportion in Animals and Plants

1885 Scientific American  
SCIENTIFIC AMERICAN SUPPLEMENT, No. 494 . 7893 * The IIr"t improvement was, I believe, made by Admiral FitzRoy. t Other ingredients besides the camphor. I beheve, are now included. I lind it stated that two parts camphor, one part nitrate of potash, and one part l!alammoniac are put into the alcohol. and a little water added.
doi:10.1038/scientificamerican06201885-7893bsupp fatcat:c34krciii5bxnetx4fsp6hchfy