oxpogon

[Pref. oxy-, and Gr. põgōn =a beard.] Ornith.: Helmet-crests; a genus of Trochil ide, distinguished by a crest and a long tuft of white or buff feathers hanging from the throat. There are two species: Oxypogon linden i , from Venezuela, and O. guerini , from Colombia. ox-ý-quin-ine, s . [Eng. oxy ( gen ), and quinine .] Chemistry: A white crystallo-granular substance formed by boiling quinine sulphate with pota ic nitrite. It is insoluble in water, soluble in alcohol and ether, melts at 100°, and is le bitter than quinine.