Chapter XXII
Reading edition
Serpulæ and Sabellæ.

1, 2 SEA-URCHIN'S TEETH (Two illustrations.) 3 COMMON SEA CUCUMBER 4 COMMON RAZOR-SHELL 5 COMMON SERPULÆ, attached to a piece of stone.
Reading edition

1, 2 SEA-URCHIN'S TEETH (Two illustrations.) 3 COMMON SEA CUCUMBER 4 COMMON RAZOR-SHELL 5 COMMON SERPULÆ, attached to a piece of stone.