"The destruction of life is always a crime. There may be certain cases in which it is the lesser of two evils; but here it is needless and without a shadow of justification, for it happens only because of the selfish unscrupulous greed of those who coin money out of the agonies of the animal kingdom in order to pander to the perverted tastes of those who are sufficiently depraved to desire such loathsome aliment."