structure of vanes, [4]
Pristorhamphus, [570]
P. tethys, [68]
Procellariidae, [59] f.;
habits, [61] f.
Procellariiformes, [59] f., [70]
Procellariinae, [59], [60], [65] f.
Procelsterna, [311]
structure of vanes, [4]
Pristorhamphus, [570]
P. tethys, [68]
Procellariidae, [59] f.;
habits, [61] f.
Procellariiformes, [59] f., [70]
Procellariinae, [59], [60], [65] f.
Procelsterna, [311]