100 PLYMOUTH MAKINE INVKHTEBItATE FAUNA. 



[ Leptomedusae — could. ] 

 Haleciu.m labrosum, Alder: T. Hindis, Hist. Brit. Hydr. Zooph., 

 p. 225, fig. 



Eddystone Gils. (E.T.B.). 



Halecium tenellum, Hincks : T. Hincks, Hist. Brit. Hydr. Zooph., 

 p. 226, fig. 



Plymouth, 18 fms. (c.c.N.). 

 Breeding : Apr. (c.C.N.). 

 Haloikema Laxkesteri : G. C. Bourne, Jour, Mar. Biol. Assoc, ser. 2, 

 vol. i, p. 395, fig. 



Duke lik., on flat stones (g.c.b., e.t.b.) : S. end of Jennyclif!" B. 

 (g.c.b , W.G.). 



Sertulariidse. 



Sertularella Gayi (Lamouroux) : T. Hincks, Hist. Brit. Hydr. Zooph., 

 p. 237.. fig. 



Not uncommon in the Sound (R.A.T., S.P.) : Eddystone Gds., one 

 of the most characteristic features of the fauna of the fine sand 

 grounds (E.J.A., S.P.): Kanie-PMdy stone Gds.; Mewstone Gds. (r.A.T., 

 S.P.) : Stoke Pt. Gds. ; Looe-Eddystone Gds. (s.P.). 



Breeding : Feh. (w.g.) : Mar. (r.a.t.) : Aug.-Oct. (w.g.). 



Sertularella polyzonias (Linnasus): T. Hincks, Hist. Brit. Hydr. 

 Zooph., p. 235, fig. 



Occasionally in the Sound (r.a.t., s.p.) : Eddystone Gds., with 

 S. Gayi, but much less common (e.j.a., s.P.): Mewstone Gds.: Eame- 

 Eddystone Gds. (r.a.t., s.p.) : Stoke Pt. Gds. (s.P.). 



Breeding : Aug. (s.P.) : Sept. (r.a.t.). 



DiPHASLV ATTENUATA (Hincks): T. Hincks, Hist. Brit. Hydr. Zooph., 

 p. 247, fig. 



On the fine sand of the ' Outer ' Trawling Gds. (e.j.a.). 



DiPHASiA PINASTER (Ellis & Solauder) : T. Hincks, Hist. Brit. Hydr. 

 Zooph., p. 252, fig. 



Very common in trawl refuse ; S. oi Eddystone (g.c.b.). 

 DiPHASiA PINNATA (Pallas) : T. Hincks, Hist. Brit. Hydr. Zoopli., 

 p. 255, fig. 



5 ni. S. of Eddystone (g.c.b.). 



Breeding : A])r. (w.g.) : gonophores in May (g.c.b.). 

 DiPHASiA ROSACEA (Linuiuus) : T. Hincks, Hist. Brit. Hydr. Zooph., 

 p. 245, fig. 



Millbay CI)., common on stones (w.G.) : Millbay Dock, on the 

 piles (w.G., R.A.T.) : 2 m. S. of the Mewstone, small colony on piece 

 of rope (e.t.b.): Eddystone Gds., occasionally met with (e.j.a.). 

 Breeding: Mar. (w.g., r.a.t.): Apr. (w.G.). 

 DiPilASiA TAMARISCA (Linnicus) : T. Himks, Hist. Bril. Hydr. Zooph., 

 p. 254, fig. 



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

 Sertularia abietina, Linmeus: T. Him-ks, Hist. Brit. Hydr. Zooph., 

 p. 260, fig. 



Common in trawl refusi; (g.c.b.): abundant in depths below 

 30 fms. on the 'Outer' Trawling Gds. (e.j.a.): Millbay Ch., occasion- 

 ally (r.a.t., s.P.). 



