parasitic Ciliata in paunch of, [152]

Rumphius, [360]

Saccammina, [59], [63]

Sacculus, of Antedon rosacea, [587];

of other species of Antedon, [588]

Sagartia, [372], [375], [381];

S. troglodytes, [378]

Sagartiidae, [381]

Sagittal, [185]

Sagittal ring, [78], [83];