276 PETTY: POLYZOA AND HYDROZOA AT FILEY. 
Bugula purpurotincta Norm. On Fluséra, but not so abundant 
as previous species. H.M.P.,1i., 90. ‘Filey 
Flustra foliacea L. and F. securifrons Pallas. Common. 
Membranipora pilosa L. Common on Laminaria, Flustra, and 
on Zoophytes, especially Hydral/mantia falcata. 
cuairoegsyco membranacea L. Common on Laminaria. 
H.M.P. for both species. ‘Generally distributed.’ 
Crisia cornuta L. Some fair specimens on Sertularia abtetina. 
Pista ds, 410. . “Tiley. . 
Crisia eburna L. On Flustra especially, and the var. aculeata 
Hassal. H.M.P., 421. ‘Generally distributed.’ 
Crisia denticulata Lam. On breaking up a piece of  foliacea 
after reaching home, one nice piece of this fell off. H.M.P., 1, 
423. ‘Very generally distributed.’ 
Diastropora obelia Johnst. On Laminaria; but, so far as 
found, not common. H.M.P., 463. ‘Generally distributed.’ 
HYDROZOA. 
pope geniculata L. Common on Sertularia, Laminaria, and 
ustra. H.H.Z., i., 151. ‘Common and generally distributed.’ 
meets attenuata Hincks. On Austra and Sertularia abietina. 
i, 249. ‘Filey. | 
Gertularia pumila L. On Austra, not uncommon; on Hydrall- 
mania, common. H.H.Z., 261. ‘Generally distributed.’ 
Sertularia operculata L. On /ustra I found mine. H.H.Z, 
264. ‘Generally distributed.’ 
eran abietina L. In quantity amongst tidal refuse. H. HZ, 
. ‘Very common and generally distributed.’ 
Scuiee argentea E.& S. Seemingly not quite so commod 
as the previous species. H.H.Z., 269. ‘Generally distributed. 
Hydrallmania falcata L. In quantity amongst the rubbish ; 
usually the home of many other growths. H.H.Z, 274 
‘Universally distributed.’ 
Thuiaria thuja L. I have one poorish specimen from Filey: 
' —H.H.Z., 277. ‘A prevalent northern form 
Antennularia antennina L. A ESE SY damaged _ piece. 
H.ECZ., 206," * Coferaliy distributed.’ 
Plumularia. A bit of some sort of Plumularia is amongst MY 
broken pieces, probably P. pinna/a L.. 
| have mounted pieces of most of all these for reference. 
Ferguson’s ‘Nat. Hist. of Redcar’ I have not been able to S&°; 
the booksellers tell me it has tone been out of print, ‘ad 1s DOF 
very bad to meet with. 
Naturalist, 
