Colymbus maximus Klein — Plongeon imbrim

Cepphus imber Pall., C. (orquatus Pal].

Colymbus glacialis L., C. hiemalis Brehm, C. immer L., C. maximus Brehm, C. {orqualus Brünn.

Eudytes glacialis XI.

Mergus glacialis Tunst., M. major Briss., M. maximus Klein, M. naevius Briss.

Urinator glacialis Cuv., U. immer Stejneg.

Plongeon glacial.

Cacherot, Gros vadecar.