Pale spear-nosed bat Pale spear-nosed bat The pale spear-nosed bat "(Phyllostomus discolor)" is a species of phyllostomid bat from South and Central America. Pale spear-nosed bats are relatively robust for bats. Adults range from in total length, with an average wingspan of . Males are significantly larger than females, weighing an average of , compared with . The fur is variable in colour, and may range from a pale yellowish brown to a much darker, almost blackish shade, over most of the body. The chest and belly are much paler, varying from near white to frosted grey. The wings are large, with rounded
The Missing Shade of Blue he later says, "this instance is so singular, that it is scarcely worth our observing" he cannot be referring to this particular example, but rather to the "type" of exception that it represents. It is also said that when Hume says, "Let all the different shades of that colour, except that single one, be placed before him, descending gradually from the deepest to the lightest; it is plain that he will perceive a blank, where that shade is wanting", he is assuming that colours are composed of a set of distinct independent hues, when in reality they form a continuum.