Bombyx mori the larva, sericulture has been criticized by animal welfare and rights activists. Mahatma Gandhi was critical of silk production based on the Ahimsa philosophy "not to hurt any living thing". This led to Gandhi's promotion of cotton spinning machines, an example of which can be seen at the Gandhi Institute. He also promoted Ahimsa silk, wild silk made from the cocoons of wild and semiwild silkmoths. The moth – the adult phase of the lifecycle – is not capable of functional flight, in contrast to the wild "B. mandarina" and other "Bombyx" species, whose males fly to meet females and
Nicolas Mori programmes were headed by the grim device of a death's head and the legend Memento Mori. As a performer 'Mori's attitude had the grace of manly confidence. His bow arm was bold, free, and commanding, and the tone he produced was eminently firm, full, and impressive. His execution was alike marked by abundant force and fire, by extraordinary precision and prodigious facility, but lacked niceties of finish and the graces and delicacies of expression' (Quarterly Mag. Music, iii. 323). He left behind him a son, Francis Mori (1820-1873), the composer of a cantata, entitled 'Fridolin;' an operetta, with words by