Asterias, starfish, young entire specimen w.m. *
Asterias, arm t.s., digestive gland and tube feet are shown for general study of all details
Asterias, horizontal l.s. of entire young specimen
Asterias, sagittal l.s. of entire young specimen
Asterias, pedicellaria w.m.
Asterias, bipinnaria larva w.m. *
Asterias, brachiolaria larva w.m. *
Asterina gibbosa, small starfish, entire specimen carefully stained and w.m. for general study
Asterina gibbosa, stages of development w.m.
Asterina gibbosa, horizontal l.s. of small specimen showing gonads
Ophiura, serpent star, arm t.s.
Ophiura, base of arm showing bursa and gonads, t.s.
Ophiura, horizontal l.s. of disc
Ophiura, ophiopluteus larva w.m. *
Echinus, sea urchin, sagittal l.s. of entire young specimen
Echinus, sea urchin, radial sec. of entire young specimen
Echinus, pedicellaria, w.m.
Echinus, sea urchin, t.s. of spine, ground thin *
Asterioidea sp., larva in metamorphosis w.m. *
Cucumaria, sea cucumber, t.s. of small specimen showing the typical structures
Holothurioidea sp., microsclerites w.m.
Holothurioidea sp., larva w.m. *
Starfish through papula t.s.
Body wall of starfish t.s.