PLATE LXXXI. 



FIG. 



1. Pedicellina cernuAj var. glabra, p. 565. 



2. , elongated form. 



3. , showing the tentacles folded in. 



4-6. Pedicellina gracilis, p. 570. 

 7, 8. LoxosoMA singulare, p. 573. 



9-11. LoXOSOMA CLAVirORME, p. 575. 



12. Fragment of the skin of Hennione, with individuals 

 of the last species in situ, nat. size. 



