Transcription:
Jaderholm, [Axel] Elof
Br
Zool
Fol.) Kavitetadg.
Northern and arcic hydroida from the-
Swedisk zoologicat state museum
[Aven i: Handlingar
4:o Stockholm [tr. i Uppsala] 1919.
H. svenska vetenskapsakademiens,. Bd 60, N:o.9.