198 I'LYMOL'TIl MAi;iNE INVKIITEIJUATE FAUNA. 



[ Leptomedusae — coiUd. ] 

 AoLAOrHENiA MYRIOPHYLLUM (Liiiiueus) : T. Himks, Hist. Brit. Hydr. 

 Zooph., p. 290, fig. 



Moderately common, 15-30 fms., on fine sand and sand with 

 gravel (h.a.t., s.P.) : Eddystone Gds. (e.j.a., e.a.t., g.c.b., s.P.): Eame- 

 Eddystone Gds. (r A.T., s.P.): Stoke Pt. Gds. (s.P.). 

 Breeding : Apr.-June (r.a.t.) : Aug. (w.G.). 



The Aplacophoran Rliopalomcnia AyJaoplienice is very commonly 

 met with twined round tlie base of the stem of this form (E.J.A., 

 R.A.T., S.P.). 



Aglaophenia pluma (Linna'us): T. Ifincks, Hist. Brit. Hydr. Zooph., 

 p. 286, fig. 



Common on the fronds of Halidrys siliquosa ; Bovisand B. ; off 

 Mewstone (g.c.b.) : Eame-Eddystone Gds. (r.a.t.) : Yealni B. (t.v.h., 

 A.J.S.) : Penlee-Bame Gds. ; N. of Mewstone (e.,t.a.) : Millbay Ch. ; 

 Queen's Gd. ; Wembury B. ; occasional specs, (e.j.a., r.a.t.). 

 Breeding : May (e.j.a., r.a.t.) : Aug. (w' .g.). 



Aglaophenia tubulifera (Hiucks): T. HincJo;, Hist. Brit. Hydr. Zooph., 

 p. 288, fig. 



Not uncommon, Aug.-Oct. ; AVembury B. ; off the Mewstone 

 (g.c.b): Eddystone Gds. (e.j.a., e.t.b.) : liame-Eddystone Gds.; 

 Mewstone Ledge (r.a.t.) : Bovisand B. (g.c.b.). 



Breeding : Sept. (r.a.t.) : Oct. (av.g.). 



Plumularia Alleni, Nutting : 0. C. Nnttiwj, Ann. Mag. Nat. Hist., 

 ser. 7, vol. i, p. 364, fig. 



Growing on Antennularia ramosa (c.c.N.). 

 Bearing gonophores : Apr. or May (c.c.N.). 



Plumularia Catharina, Johnston : T. Hincks, Hist. Brit. Hydr. Zooph., 

 p. 299, fig. 



Not uncommon ; Duke Ek. ; Winter Sh. ; off Stoke Pt. (g.c.b.) : 

 Queen's Gd., occasionally (t.v.h., r.a.t., s.p.) : Eddystone Gds., the 

 most abundant species on both the fine sands on other Hydroids, 

 and on the gravels, where Hincks' green variety is often very 

 abundant on Ch(etopterus tubes (e.j.a.) : Ptame-Eddystone Gds., on 

 Chcvtopterus and Terebellid tubes, Cdlaria, Antennularia, Ascidiclla 

 scahra, etc. (r.a.t.). 



With gonophores : Apr.-May (r.a.t.) : Aug. (e.j.a.). 



Plumularia echinulata, Lamarck : 2\ Ifincks, Hist. Brit. Hydr. Zooph., 

 p. 302, fig. 



On weed, not very common (g.C.b.) : Winter Sh., on Drlesseria ; 

 Millbay Dock, on the piles; Yealm Est., on Laniinaria (e.t.b.). 



Plumularia frutescens (Ellis &, Solandor) : 7\ irinrk.^, Hist. Brit. 

 Hydr. Zooph., p. 307, fig. 



Eddystone Gds., single colony on shell of Fedenmaximus (e.j.a.): 

 Wembury B. (g.c.b.) : Stoke Pt. Gds. (s.P.). 



Plumularia halecioides. Alder: T. Hincks, Hist. Brit. Hydr. Zooph,, 

 p. 306, fig. 



Parasitic on P. setacca and on Antennularia (c.c.N.). 



