The atria are comparatively small, the walls being thin, especially those of the right, which possesses numerous muscular ridges projecting into the cavity presenting a honeycombed appearance.
ADRIA (anc. Atria; the form Adria or Hadria is less correct: Hatria was a town in Picenum, the modern Atri), a town and episcopal see of Venetia, Italy, in the province of Rovigo, 15 m.
The town occupies the site of the ancient Atria, which gave its name to the Adriatic. Its origin is variously ascribed by ancient writers, but it was probably a Venetian, i.e.
Segments are the apertures of the Nervous system rarely atria.C, Perichaeta: the spermathecal pores (Aeolosoma) in continuity are between segments 6 and 7, 7 with epidermis.
Sperm ducts and atria as in Limicolae; egg sacs large; body wall thick; vascular system and nephridia as in Terricolae.
They open in common with, or near to, or, more rarely, into, glands which are not certainly comparable to the atria of the Limicolae.
Served the state in its highest offices were preserved in the atria or halls of their descendants, inscribed, like the Chinese tablets, with titles recording their dignity and exploits.