Transkription:
Kaiforn.
Elpedition
Naturr
of the Caléforma Acadey of scieuces to
Me Tet of Oaliforia in 1921.
Acta Se: Proceedings
N.Amer
Elped
8:o San Frauasco1923-29
of the Califorma Academy of
[SauFransisca] scieuces. Ser. 9. ol. 12, 13
Vol.Th.6: Sevin J.R. Generat account. 1923
13:25. Mac Farland, F.H., Opisthobranchiate mollusca. 1925.