argil lorn is

[Gr. ἄργιλλος ( argillos ) = white clay, and ὄρνις (ornis) = a bird.] Palcont.: A genus of fo il birds founded by Prof. Owen on remains obtained by Mr. W. H. Shrub sole from the London clay of Sheppey. The A. long i pennis ( Owen ) was probably a long-winged natatorial bird most nearly related to Diomedea, but exceeding the D. exulans , or Albatro , in size. (Q. J. Geol. Soc., vol. xxxiii., 1877.) + ar-gil-lous, a . [Lat. argil los us = consisting of clay, from argilla = white clay. In Fr. argileux; Sp. arcilloso; Ital. argiglioso ; Gr. ἀργιλλώδης ( argillōdēs ), or ἀργιλώδης ( arg i lordes ).] Consisting in whole or in part of clay; pertaining to clay; derived from clay. "Albuquerque derives this redne from the sand and argillous earth at the bottom." -Browne : Vulgar Errours.