PLYMOUTH xMAKIXE INVEKTEBEATE FAUNA. 195 



[ Leptomedusae —contd. ] 



Lafoea fruticosa, M. Sars: T. Rinds, Hist. Brit. Hydr. Zooph., 

 p. 202, fig. 



Not uncommon, 15-30 fnis. (h.a.t., s.p.) : l\ame-Eddystone Gds. 

 (e.t.b. & R.A.T., S.P.): Eddystone Gds. (e.j.a.): Stoke Pt. Gds. (g.c.b., 

 S.P.). 



Calycella syringa (Linnseus) : 7\ Hinds, Hist. Brit. Hydr. Zooph., 

 p. 206, fig. 



Abundant on roots of Laminaria (g.c.b.): abundant on young 

 stems of Tuhuhirin indivisa (c.c.N.): Penlee Pt.; Panie Hd. (g.c.b.): 

 Saltash Pier, on Scrtularia (e.t.b.). 



Calycella fastigiata (Alder): T. Hincks, Hist. Brit. Hydr. Zooph., 

 p. 208, fig. 



Eddystone Gds. (e.j.a.). 



Cuspidella costata: T. Rinds, Hist. P^rit. Hydr. Zooph., p. 210, fig. 



Inner Eddystone trawling grounds (e.j.a.) : growing on weed, 

 trawl refuse (g.c.b.). 



Cuspidella grandis : T. Rincks, Hist. Brit. Hydr. Zooph., p. 210, fig. 

 On stems of Ralecium tencUiun (c.c.N.). 



Trichydridae. 



Tkichydra pudica, T. S. Wright : T. RindxS, Hist. Brit. Hydr. Zooph., 

 p. 216, fig. 



Eddystone Gds., fine gravel (e.t.b. & e.j.a.) : Eddystone Buoy 

 (e.t.b.). 



Coppiniidae. 



COPPINIA arcta (Dalyell) [? = gonosome of Lafoea clumosa (Fleming)]: 

 T. Rincks, Hist. Brit. Hydr. Zooph., p. 219, fig. 



Eddystone Gds., abundant on the fine sand grounds; growing 

 on Hydroids, especially Lafoea dumosa var. robusfa and Scrtularia 

 (diiiiina (e.j.a.): Mewstone Gds. (a.j.s.) : Pame-Eddystone Gds.; 

 Mewstone Ledge, very occasionally (r.a.t.). 



Haleciidse. 



Halegium Beani (Johnston): T. RindiS, Hist. Brit. Hydr. Zooph., 

 p. 224, fig. 



Not uncommon in the Sound, on stones and shells, and outside, 

 in 15-o0 fms., on shells, other Hydroids, and on CJiaitoptcrus tubes. 

 Not so abundant as //. halecinum (r.a.t., s.p.) : Eddystone Gds. 

 (e.j.a.). 



With gonophores : Jan. (w.G.) : Mar., Apr. (r.a.t.) : May (s.p.) : 

 July (w.G.) : Oct. (r.a.t.). 



HaleciUxM halecinum (Linnieus): T. Rinds, Hist. Brit. Hydr. Zooph., 

 p. 221, fig. 



Not uncommon in the Sound, on stones and sheila. Common 

 outside, 15-30 fms., on Chcdopterus tubes, stones, and shells (r.a.t., 

 S.P.) : Eddystone Gds., al)undant on certain grounds, and generally 

 on Cha'toptcrus tubes (E.J.A., S.P.): Rame-Eddystone Gds.; Mew- 

 stone Gds. (r.a.t., s.p.); Stoke Pt. Gds.; Looe-Eddystone Gds. (s.P.). 



Breeding: Jan. (w.G.): Feb.-June (R.A.T.) : July (w.G.). 



