apterial

[APTERIUM.) Pertaining to a featherle tract on the skin of a bird. ap-tër-i-ŭm, s. [APTEROUS.) Diol. A featherle tract on the skin of a bird. ( Nitzsch : Pterylography.) ap-těr-o-nō-tus, s. [Gr. ἄπτερος ( apteros )=... finle , and νῶτος ( notos ) = the back.] Zool. A genus of American fishes of the Eel family. They have on their back not a fin, but a soft fleshy filament couched in a furrow. They have an affinity to Gym not us. ăp'-těr-oŭs, α. [Gr. ἄπτερος ( apteros ) = wingle . In Fr. aptère; Port. aptero.] [APTERA.] 1. Zool. Wingle . "Cuvier and Latreille divide the Apterous Insects into three tribes: the Suctoria (Fleas); the Paras it a (Lice), and the Thy san our a."-Owen: Invertebrata, Lect xvi. 2. Bot. Without membranous wing-like expansions. (Loudon: Cycl. of Plants; Glo .) ăp-těr-yg-i-dæ, s . pl . [APTERYX.] Zool. A family of Cursorial Birds with some affinities to the Struthionidæ, or Ostriches, but differing in their lengthened bill, their short legs, their po e ion of a short hind toe, with a strong claw, and finally, by their wings being quite rudimentary.