186 CATALOGUE OF ADDITIONS TO, AND ALTERATIONS 



Habitat : on shells, stones, and Fucus, from tide marks to deep 

 water. Probably very common and generally distributed, 

 though few localities have been recorded. 



Mounts Bay, Cornwall, Ilfracombe (T.H.) Northumberland, 

 common (Alder). Scotland (Dalzell). 



Genus, Amathia. — Laniortroux. 



1 — Amathia Lendigera. — LinncBus. Hinchs, Brit. M. Poly., 

 516, plate Ixxiv, figs. 7 — 10. 



Serialaria Lendigera. — Couch, Corn. Faun., iii, 94, plate xvi, 

 fig. 4. 



On Fuci, especially Halidrys siliquosa, from low-water mark 

 to deep water; on the Cornish coast. (C.W.P.) 



Genus, Bowerbankia. — Farre. 



1 — Bowerbankia Imbricata. — Adams. Hinds, B.M. Poly., 

 549, plate Ixxii, fig. 1, 2. 



Valkeria Imrricata. — Couch, Corn. Faun., iii, 95, plate xvii, 

 fig. 2. 



On various Fuci, Corallina officinalis, Sfc, and Polyzoa. From 

 tide marks to deeper water. (C.W.P.) 



2 — Bowerbankia Pustulosa. — Ullis and Solander. Hinclcs, 

 Brit. M. Poly., 523, plate Ixxvi, figs. 1—5. 



Sertularia Pustulosa. — FJlUs and Solander. 



On Fuci, &c. in shallow water : Fowey Harbour, and Gorran 

 Haven, very rare. (C.W.P.) 



Genus, Cylindrcecium — Hincks. 



I — Cylindrcecium Giganteijm. — Busk. Kinds, Brit. M. Poly., 

 536, plate Ixxvii, fig. 12, Ixxix, 1, 3. 



Farella Gigantea. — Busli, Quart. Journ. Mic. Soc, iv, 93, 

 plate V, figs. 1, 2. 



On rocks near low water mark ; off the Deadman, Cornwall, 

 (C.W.P.) 



Off Gorran Haven and the Deadman. (C.W.P.) 



Genus, Mimosella. — Hincks. 



1 — Mtmosella Gracilis. — Hinds, and Brit. M. Pol., woodcuts, 

 figs. 27 and 34, 556, plate Ixxiv, 1 — 6. 



