Cattle and sheep eyes were obtained from the abattoir and dissected within 12 hr. of the death of the animals. Whale eyes were obtained from sperm whales caught in the Antarctic region, and had been stored (whaling ship 521l

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The ultra-violet absorption spectra of 0-, m-, and p-hydroxy-aldehydes , hydroxyketones, and their methyl ethers are described and discussed. The spectra are dominated by absorption maxima which are benzenoid in origin but show considerable displacements. Selective absorption undergoes second-order modifications when hydrogen-bond formation and interaction between hydroxylic solutes and polar solvents occur.

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