PLYMOUTH MAKINE IN VEliTEBliATE FAUNA. 207 



[ Echinodernia— co/fCf/. ] 



Holothuriidae. 

 HoLOTHUiiiA NIGRA, Crny : /'. J. BcU, Catal. Brit. Echinod. Brit. Mus., 

 1>. 49, fig. 



Coiiiinon on the Mowstoiie Gds. on clean gravel (e.j.a., r.a.t., s.p.): 

 occasional specs, have been taken in AVhitsand B., off Penlee, 

 Melampus Sh. (r.a.t.) : Stoke Ft. Gds., not unconunon (s.p.) : 

 Eddystone Gds., on the clean shell gravel immediately adjacent to 

 the rocks (e.j.a.) : Queen's Gd. (s.p.). 



Gonads ripe : Apr. (s.p.) : July, I)ec. (R.A.T.). 



Antedonidse. 

 Antedon bifida (Pennant) [ = A. rosacea, auctt.] : F. J. Bell, Catal. Brit. 

 Echinod. Brit. Mus.. p. 54, fig. 



Extremely abundant at certain small areas, but practically 

 restricted to these (s.p.): Millbay Pit (K.A.T., S.P.): Asia Sh., 

 occasionally (r.a.t., s.p.) : Mallard Sh. (g.c.b., j.t.c, s.p.) : inside the 

 Bridge (s.p.): the Cattewater, several specs, on bottom of coal hulk 

 of}" Turnchapel (a.J.S., S.p.) : Mevvstone Ledge (s.P., R.A.T.). 



The marsupia containing ova: Oct. (t.v.h.). Pentacrinoid larvae 

 in Feb. (a.j.s.) : July (r.a.t., s.p.) : Aug., abundant at all stages, 

 chiefly on Cellaria (E.W.L.H.) : Sept.-Oct. (w.G.). 



The parasitic Polycluete Myzostoma cirriferum is common on 

 the arms of this species (e.j.a.). 



Astropectinidae. 

 Astropecten irregularis (Pennant) : E. Forbes, Hist. Brit. Starf., 

 p. 130, fig. (as Aster ias aurantiaeus). 



Common on fine, clean sand and moderately so on clean gravel 

 and shell, 15-35 fms. (r.a.t., s.p.): Eddystone Gds. (e.j.a., s.p.): 

 Mewstone Gds. (r.a.t., s.p.) : Stoke Ft. Gds. ; Kame-Eddystone 

 Gds. ; Looe-Eddystone Gds. (s.P.). 

 Luidia Sarsi, Diiben & Koren : F. J. Bell, Catal. Brit. Echinod. Brit. 

 Mus., p. 72. 



Eddystone Gds. (e.j.a., j.t.c., r.a.t.). 



Gymnasteriidse. 

 PORANIA PULVILLUS (0. F. MuUer) : F. J. Bell, Catal. Brit. Echinod. Brit. 

 Mus., p. 79, fig. 



Occasionally at about 3 m. S. of the Breakwater (e.j.a., s.p.) : 

 Eddystone Gds. (e.j.a., r.a.t.). 

 Breeding : Feb.-Apr. (r.a.t.). 



Asterinidae. 

 Asterina gibbosa (Pennant): F. J. Bell, Catal. Brit. Echinod. Brit. 

 Mus., p. 82, fig. 



Common under stones at all rocky shore stations (s.P.) : single 

 spec. I m. S. of the P)reakwater in 7 fms, (r.a.t.). 

 Breeding : May-June (w.G.). 

 Palmipes placenta (Pennant): E. Forhes, Hist. Brit. Starf., p. lUJ, hg. 

 (as F. meiiihranaeeii.s). 



Eddystone Gds , moderately common (e.j.a., s.p.): Fame-Eddystone 

 Gds. (r.a.t., s.p.): Stoke Ft. Gds., not unconunon; about 3 m. S. of 

 Breakwater, fairly connuon (s.p.). 



