SPU´RIOUS, _a._ False; bastard; imperfect; rudimentary.
SPU´RIOUS QUILL, _n._ The first primary, when rudimentary or very short.
SPU´RIOUS WING, _n._ Feathers growing on the so-called thumb of birds.
SQUAM´OUS, _a._ Scaly.
STA´PES, _n._ One of the auditory ossicles; the stirrup-bone, becoming
the _columella_ in _Sauropsida_.