Haddon and GruEEN — Seconcl Repovt on Irish Marine Fauna. 35 
nexa also occurred. About four o'clock p.m. we liad a successful haul 
with the Agassiz trawl in 325 fathoms. By this time we were fifty- 
three miles from the Durseys. The forms which came up this time 
were particularly interesting, and introduced a new Fauna to those 
who were only previously acquainted with the ordinary inhabitants 
of shallow water. 
"We obtained ninety-two specimens of Fontaster {Archaster) tenui- 
spinus, and ten Brisinga endecacnemos ; the latter most lovely and rare 
Starfish played us the annoying trick of casting q& all their arms the 
moment they emerged from the water. "We saw perfect specimens 
with their eleven delicate fringed arms in the tangles when below 
the surface of the water ; but, immediately they emerged, the animals 
shivered, and the round flat disc was severed from the writhing arms. 
Pontaster tenuispinus has once before been obtained in British waters, 
three specimens being dredged by the ''Knight Errant," in 1880, 
from Station 8, 540 fathoms in the cold area of the Faroe Channel 
(Proc. Eoy. Soc. Edinb., Session 1881-82, pp. 670, 699). Several 
varieties of Echinus were dredged, having a decidedly dwarfed aspect, 
and two specimens of Solothuria tremula. This is the first occasion 
on which this brilliant vermilion-coloured Holothurian has been 
dredged so near to British coasts : later, we obtained it from shallower 
depths. Only a single specimen of the widely-distributed Dorocidaris 
papillata occurred, but that carried a new species of Actinian on one 
of its spines. This sea-anemone had a very pale-green-coloured body, 
studded with darker-coloured pointed tubercles; the tentacles were 
mainly brown in colour ; it is a member of the new sub-family of the 
Chondractinise. It will be named Chitonactis marioni. A hermit- 
crab, with large smooth chelae, inhabited the immature shell of Cassi- 
daria tyrrhena ; but we did not recognize the latter at the time. One 
fact was particularly striking, and that was the pink colour of the 
contents of the trawl. The Pontaster and the Brisinga were of a pale- 
pink colour, especially lovely in the latter ; the claws of the hermit- 
crab of a delicate rose-pink. ISTearly all the Echini had some reddish 
patches, and the Holothuria were considerably paler than any we 
afterwards found. The pale-green body of the anemone was comple- 
mentary in colour to the prevailing tint. 
At 6.30, the sounding machine registered 690 fathoms, and the 
Blake dredge was lowered. Shortly before 10 o'clock the wire-rope 
was wound up, but the dredge was left behind. This was our first 
loss : the reason for the mishap is explained in Mr. Green's report. 
Owing, probably, to some slight damage done to the outer glass 
D 2 
