"Functionless" Quotes from Famous Books
 ... cit.: 428-429), "This key convinces me that all these forms must be referred to one genus only. The characters given to separate 'Eutamias' from Tamias are based only on the absence or presence of the functionless premolar, and on the colour pattern. If colour pattern is to be used as a generic character, it seems Citellus suslicus will require a new name when compared with C. citellus, etc." And again, "The Asiatic chipmunk is intermediate between typical ...
— Genera and Subgenera of Chipmunks • John A. White
... whom, there being no enemies to escape from, their use was only a source of danger. We may thus, perhaps, account for the fact that many of these birds retain small but useless wings with which they never fly; for, the wings having been reduced to this functionless condition, no power could reduce them further except correlation of growth or economy of nutrition, causes which only rarely come ...
— Darwinism (1889) • Alfred Russel Wallace |
