uropygium

How to use uropygium in a sentence

• The uropygium also, which in the European bird is entirely white, is in our specimen partially variegated with black.

  Narrative of a Survey of the Intertropical and Western Coasts of Australia] [Volume 2 of 2] | Phillip Parker King

• The tail length, however, is measured from the base of the uropygium to the tip of the longest pair of rectrices.

  The Subspecies of the Mountain Chickadee | Joseph Grinnell

• uropygium: the ovipositor when it is a mere extension of the abdominal segments.

  Explanation of Terms Used in Entomology | John. B. Smith

• Seaside Sparrows have a mid-dorsal row of downs in the dorsal tract near the uropygium.

  Comparative Breeding Behavior of Ammospiza caudacuta and A. maritima | Glen E. Woolfenden

• In some of the families the uropygium is recorded as small in suspiciously close to 25 per cent of the offspring.

  Inheritance of Characteristics in Domestic Fowl | Charles Benedict Davenport