21. Camouflage is the method which allows an otherwise visible organism or object to remain indiscernible from the surrounding environment. 22. On the face of it, the m . o . view contravenes the principle of identity of indiscernibles . 23. In practice, metric learning algorithms ignore the condition of identity of indiscernibles and learn a pseudo-metric. 24. On the right of the dancing women, a musician of an indiscernible gender is standing under a loggia. 25. Juehne diluted his scents to a level indiscernible to humans and sent them to a half-dozen dog handlers. 26. Hints of bitterness, so subtle as to be indiscernible , leave a round, delicate taste in the mouth. 27. Hegel quarrelled with the identity of indiscernibles in his " Science of Logic " ( 1812 1816 ). 28. Experiencing shadows and indiscernible fluttering and frantic to escape, Mrs Ayres pounds the windows open, cutting her arms. 29. Although Sanguineti's poem is repeated several times throughout, it is usually indiscernible amongst the variety of textures. 30. Given the high dynamics of the emigration-prone groups, emigration from Malaysia remains indiscernible from temporary country leave.