PLYMOUTH MARINE INVERTEBRATE FAUNA. 193 



[ Leptomedusae ] 



LEPT0MEDUS.5:. 



{UYDliUlI) STAGE.) 



Campanulariidae. 

 Clytia Johkstoni (Alder) : T. Ilincks, Hist. Brit. Hydr. Zooph., p. 143, 



Ubiquitous on Alga' and on other Hydroids (g.C.B.) : L.W.- 

 35 fms. (R.A.T., S.P.). 



Breeding: Mar. (r.a.t.) : Apr. (a..j.s.) : July (e.t.b.). Medusae ■ 

 produced in Laboratory tanks, May 1895 (C.C.N.). Medusie bearing 

 gonothecse, July (e.t.b.). 



Agastra caliculata (Hinrks) [Medusa = ^1. mira (Hartlaub)] : T. 

 Hincks, Hist. Brit. Hydr. Zuoph., p. 164-, fig. (as Carnpunidaria). 

 The Hydroid form has not yet been recorded (s.P.). 



Obelia dichotoma (Linnaeus) : 2\ Hincks, Hist. Brit. Hydr. Zooph., 

 p. 156, fig. 



lianie Hd. (w.H.) : Eame - Eddystone Gds., on Antcnmdaria 

 antrnninn and t>rrtiihirella Gaiji (R.A.T.) : Whitsand B., on worm- 

 tubes (g.C.B.) : Eddystone Gds., on the line sand area, growing on 

 Peden ojjcrcidaris shells, Hydrcdlmania, Bougainvillia, Scrtidaria 

 arffentca, and Cellaria (e.j.a.). 



Obelia geniculata (Linmeus) : T. Hincks, Hist. Brit. Hydr. Zooph., 

 p. 149, fig. 



Very common, generally on Lainiiiuria (G.C.B. , w.n., R.A.T., s.P.): 

 Millbay Dock, on the piles (R.A.T.) : Eame -Eddystone Gds., on 

 Lepralia (r.a.t.). 



Bearing gonophores : Mar.-Sept. (w.g.). 



Obelia longissima (Pallas): T. Hincks, Hist. Brit. Hydr. Zooph., 

 p. 154, fig. 



From trawl refuse from outside the Eddystone (G.C.B.): S. of 

 Eddystone (e.j.a.). 



sDbelaria gelatinosa (Pallas): T. Hincks, Hist. Brit. Hydr. Zooph., 

 p. 151, fig. (as Obelia). 



Lynher P., large colonies, up to 13 inches, in deep water under 

 Sheviock Wood, July 1898 (e.w.l.ii., w.i.b., e.t.b.): Bovisand B. 

 (t.v.h.). 



Campanularia ANGULATA, Hincks : 7'. Hincks, Hist. Brit. Hydr. Zooph., 

 p. 170, fig. 



Bovisand B., at low tide (G.C.B.). 



Campanularia flexuosa (Hincks) : 7'. Hincks, Hist. Brit. Hydr. Zoopli., 

 p. 168, fig. 



Very common on weeds and in rock-pools below the Hoe (g.c.b.): 

 common on the shore between tide-marks ; on hulks and buoys in 

 the Sound and Cattewater ; Phoenix Wharf and Millbay Dock, on 

 piles: Milll)ay Pit (R.A.T.): Mt. p]dgcumbe (E.J.A.): Saltash Pier, 

 very abundant (.)ct. 1897 (E.T.B.). 



Gonosomes well developed in May (c.c.N.). 



