44 
MARINE FAUNA OF ST. ANDREWS. 
Buguia purpurotincta , Norman, Quart. Journ. Micr. Sci. 
n. s. vol. viii. p. 219. 
Abundant on the same ground, attached to shells. 
Buguia Murrayana , Bean ; Busk, Catal. p. 46, pi. 59. 
Plentiful on the beach after storms, and at all times from 
the coralline ground. 
Family Flustridae. 
Genus Flustra, L. 
Flustra foliacea, L.; Busk, Catal. p. 47, pi. 55. f. 4 & 5, 
pi. 56. f. 5. 
Very abundant on the sands after storms. 
Flustra truncata , L.; Busk, Catal. p. 48, pi. 56. f. 1 & 2, 
pi. 58. f. 1 & 2. 
Common in the laminarian and coralline zones. 
Genus Carbasea, Gray. 
Carbasea papyrea, Pallas ; Busk, Catal. p. 50, pi. 50. f. 1-3. 
After storms, and from the fishing-boats; not abundant. 
Family Membraniporidae. 
Genus Membranipora, De Blainville. 
Membranipora membranacea , L.j Busk, Catal. p. 56, pi. 68. f.2. 
Abundant on the fronds of Laminaria digitata and other 
algae. 
Membranipora pilosa, L.; Busk, Catal. p. 56, pi. 71. 
Very common on the stems and fronds of Belesserice , Lami- 
narice, and other seaweeds between and beyond tide-marks, 
and on shells and stones from the coralline ground. 
Membranipora Flemingii , Busk; Catal. p. 58, pi. 61. f. 2, 
pi. 84. f. 4-6, pi. 104. f. 2-4. 
Common on stones and shells from the coralline ground. 
