446 Deep-sea TraioUng off the 8.W. Coast of Ireland: 



POLYZOA, HYDROZOA, SPONGES, and 

 RADIOLARIA. By K. Kirkpatrick. 



a. POLYZOA. 

 Memhrayivpora pihsay L. Encrusting Natica, 315 fatli. 

 Memhranipora FJemingii, Busk. Encrusting stems of Euden- 



drium rameum, 55 fatli. 

 Porella compressa, Sowerby. 55 fatli. 

 CelJepora ramulosa, L. 55 fath. 



Cellepora annata, Hincks. Encrusting Eudendrium, 55 fat!i. 

 Idmonea serpens^ L. 55 fath. 

 Lichenopora hispida^ Fleming. 65 fath. 

 Alcyonidium mytili\ Dalyell. On Tiihulana-stems, 55 fath. 

 Arachnidium shnplex, 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, pi. xv. figs. 10, 



11). 



Triticella flava, Dalyell. Growing on Natica, 315 fath. 

 Barentsia gracilis, Sars. On Eudendriurn, 55 fatli. 



h. Hydrozoa. 



Podocoryne areolata, Alder. Growing on Aporrhais pes- 



carbonis, 150 fath. 

 Eudendrium rameum, Pallas. 55 fath. 

 Tuhularia indivisa, Linn. 55 fath. 

 Campanularia Hincksii, Alder. 55 fath. 

 Lafoea dumosa, Fleming. 58 fath. 

 Sertularella tenella, Alder. 55 fath. 



c. Spongiida. 

 Only one sponge was obtained : — 

 Aphrocallistes Bocagei, Wright. 500 fath. 



The specimen is about 3| inches in height, and is 

 well preserved. Specimens were previously obtained by 

 the ' Porcupine ' expedition at Station 36, from a depth 

 of 725 fath. As will be seen from the following list, 

 the range of the species is very wide, having been found 

 oif 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. 



