PLATE. CXVII.
Fig.
1. Pomatoceros triqueter, L., removed from its tube. St. Andrews. Enlarged.
1 a. The same species projecting from its tube. St. Andrews. Enlarged.
1 b. Group of tubes of the foregoing. St. Andrews.
2. Group of tubes of Filograna implexa, Berkeley, with the annelids projecting from them.
Plymouth. Enlarged.
2 a. Body of an example without a bud, but bearing reddish ova. The branchiae are
omitted.
2 b. Another with a commencing bud. Plymouth. Enlarged.
2 c. Bud further advanced in an example from Plymouth. Enlarged.
2 d. Anterior region of a young example with an operculum. Enlarged.
2e. Ventro-lateral view of a young specimen with ova and few thoracic bristles.
Enlarged.
3. Munayunkia (Haplobranchus) xstuaHus, Bourne, from Sheppey. Enlarged.
8 a. Anterior region of the same. Magnified.
