Echinodermata, by Prof. F. J. Bell. 435 
This species, now for the first time recorded from the British 
seas, is here represented by specimens all larger than Mr. 
Sladen’s type, for the smallest has the greater radius more 
than 71 millim., and the largest has a greater radius of as 
much as 100 millim. ; in correspondence with this the number 
of marginal plates may be much nearer forty than thirty. 
Mr. Sladen states expressly that there are no spines on the 
marginal plates, but distinct, though small, spinous tubercles 
may be developed, particularly on the inferomarginals; but 
their distribution is so irregular and their presence or absence 
seemingly so uncertain as to divest this character of any 
specific value at all. ‘There is somewhat greater irregularity 
in the disposition of the adambulacral spines than is indicated 
in the original description. The greove marking the boun- 
daries of the disk-peutagon varies a good deal in distinctness ; 
this may be partly due to the specimens having been, unfor- 
tunately, dried; this may, further, explain why the abac- 
tinal disk-plates are not so regular in disposition, the primary 
embryonic plates so distinct, or the madreporite so prominent 
as they appear to be in the type specimen. None of these 
characters are, however, of value as indications of specific 
distinctness. As the ‘ Challenger’ examples were dredged in 
1525 fath. south-west of the Canary Isles, the locality at 
which Mr. Green found his specimens is one which is only 
probable enough. 
Cribrella sanguinolenta, O. F. M,. 
Taken at 55 fath. 
Asterias rubens, L. 
Taken at 100 fath. Mr. Green justly remarks that this is 
a great depth tor this species, and Mr. Sladen, in his recently- 
issued ‘ Challenger’ Report, does not give a lower depth than 
53 fath. A larger and more normal specimen was taken at 
55 fath. 
Brisinga coronata, G. O. Sars. 
An injured specimen was brought up from 1000 fath. This 
depth is interesting, for though the species is known to come 
from still greater depths, all those reported for examples taken 
during the ‘ Porcupine’ cruises are less *. 
* See Sladen, Chall. Rep., Asteroid. p. 604. 
