MuseEumM AND Art NOTES 123

GAGES le

G.N.Wailes ee. adnal,

DESCRIPTION OF FIGURES

Fig. 1.—Sarsia mirabilis L. Agassiz with its manubrium clasping an O:kopleura dioica
Fol. Fig. 2—Manubrium as seen later with the Oikopleura ingested. Fig. 3—The
manubrium in normal condition before the development of the ova, the central portion
being the stomach. Fig. 4—The fixed hydroid Syncoryne (Coryne) mirabilis 1B
Agassiz budding off a young Sarsia. Fig. 5—A nematocyst cell, the stinging filament
coiled up in the centre. Fig 6—An appendicularian larva. Figs. 1-4 X10. Figs. 5 and
6 much enlarged. Departure Bay, May 6, 1929.