10 slides
1 - Botryllus schlosseri, tunicate colony, w.m.
2 - Clavelina, tunicate, l.s. showing gill, intestine, gonads
3 - Clavelina, t.s. region of gills and intestine
4 - Balanoglossus, t.s. region of gonads
5 - Sagitta, arrow worm, w.m.
6 - Amphioxus, Branchiostoma, adult specimen, w.m.
7 - Amphioxus, Branchiostoma, larva, w.m.
8 - Amphioxus, Branchiostoma, t.s. region of gills and intestine
9 - Amphioxus, Branchiostoma, t.s. region of intestine and liver
10 - Amphioxus, Branchiostoma, head region, t.s. showing light sensitive pigment cells |