446 Deep-sea Trawling off the S.W. Coast of Lreland : 
POLYZOA, HYDROZOA, SPONGES, and 
RADIOLARIA. By R. KirxparTricx. 
a. POLYZOA. 
Membranipora pilosa, L. Encrusting Natica, 315 fath. 
Membranipora Flemingit, Busk. Encrusting stems of Huden- 
drium rameum, 55 fath. 
Porella compressa, Sowerby. 55 fath. 
Cellepora ramulosa, L. 55 fath. 
Cellepora armata, Hincks. Encrusting Hudendrium, 55 fath. 
Idmonea serpens, L. 55 fath. 
Lichenopora hispida, Fleming. 55 fath. 
Aleyonidium mytili, Dalyell. On Tubularia-stems, 55 tath. 
Arachnidium simplex, Hincks. On Chrysodomus, 315 fath. 
This species is new to the British fauna. The type 
specimen is from Barents Sea, 62 fath. (v. Hincks, Ann. 
& Mag. Nat. Hist. (5) vi. 1880, p. 284, pl. xv. figs. 10, 
it 
Triticella flava, Dalyell. Growing on Natica, 315 fath. 
Barentsia gracilis, Sars. On EHudendrium, 55 fath. 
6. Hyprozoa. 
Podocoryne areolata, Alder. Growing on Aporrhais pes- 
carbonis, 150 fath. 
Eudendrium rameum, Pallas. 55 fath. 
Tubularia indivisa, Linn. 55 fath. 
Campanularia Hincksti, Alder. 55 fath. 
Lafoea dumosa, Fleming. 58 fath. 
Sertularella tenella, Alder. 55 fath. 
c. SPONGLIIDA. 
Only one sponge was obtained :— 
Aphrocallistes Bocaget, Wright. 500 fath. 
The specimen is about 33 inches in height, and 1s 
well preserved. Specimens were previously obtained by 
the ‘ Poreupine’ expedition at Station 36, i-om a depth 
of 725 fath. As will be seen from the following list, 
the range of the species is very wide, having been found 
off Florida, Bermudas, St. Thomas W.I., S.W. Ireland, 
S.E. Spain, Portugal, Cape Verde Is., Ascension Island 
in the Atlantic, at depths varying from 420 to 1075 
fath.; the species also occurs in the North Pacific, 
specimens having been purchased at Inoschima by 
Dr. Doderlein. 
