190 PLYMOUTH MARINE INVERTEBRATE FAUNA. 



[ Anthomedusae — contd. ] 

 Heterocordyle Conybearei, Allnian: G. J. AUman, Moiiogr. Gymnobl. 

 Hydr., p. 307, tig. 



Abundant in the Sound on living Nassa reticulata (E.T.B., R.A.T.) : 

 Drake's I., on Nassa (t.v.h.) : Cawsand B., on Nassa (r.a.t., s.p.): 

 Eddystone Gds., with J^/7>r^//«/-«.s (e.j.a.): near the Kast Eutts, on 

 Ui'ccinuiii shells containing Eiiimgurus BcrnJiurdus (E.T.B.). 

 With gonophores : Aug., Oct. (e.t.b.). 



"^ Tubulariidse. 



TUBULARIA indivisa, Linnwus: G. J. Allman, Monogr. Gymnobl. Hydr., 

 p. 400, fig. 



Hocks under the Hoe (e.j.a.) : Drake's I., in low tide rock-pools 

 (G.C.B.): Millbay Oh. and Pit, moderately common (w.G., e.j.a., r.a.t., 

 S.P.) : Asia Sh. (e.j.a., r.a.t.) : Mt. Edgcumbe (e.j.a.) : Duke Ek. 

 (r.a.t.) : Eddystone Ek. (e.j.a.). 



Breeding: Feb.-Apr. (w.G., r.a.t.): May (r.a.t.). 



TuBULARiA (Thamnocnidia) humilis, AUuian : ir. Garstang, Journ. 

 Mar. Biol. Assoc, ser. 2, vol. iii, p. 212. 



Tide-pools below the Hoe (w.G., t.v.h.) : Barn Pool (w.o.). 

 Breeding in March (w.G.). 



Tubularia (Thamnocnidia) larynx, Ellis & Solander: G. J. Allman, 

 Monogr. Gymnobl. Hydr., p. 406, fig. 



Growing profusely on the Duke Ek. Buoy, and on other buoys in 

 the East Ch., 1889 (g.c.b.) : Millbay Ch. (w.G., r.a.t.): not taken in 

 1895 (e.j.a.). 



Breeding : Apr.-May (w.G., R.A.T.) : Dec. (s.p.). 



CorymorpMdse. 



CORYMORPHA NUTANS, M. Sars [Medwsii = Stfrnstriipia ruhra, Forl)es] : 

 G. J. Allman, Monogr. Gymnobl. Hydr., p. 388, fig. 



The hydroid generation has only been taken veiy occasionally, 

 although its medusa is common (e.j.a.) : off Ft. Tregantle, 5 specs, 

 in about 3 fm.. May 1887 (w.ii.), 3 specs., May 1895 (e.j.a.): sought 

 for unsuccessfully, 1889-90 (g.c.b.): two specs, on patch of sand in 

 East Ch., May 1895 (e.j.a.): Queen's Gd., single spec, June 1904 

 (s.p.) : Cawsand B., single spec, June 1904 (s.p.). 



Attached medusa* in May. 



(MEDUSA STAGE.) 



Codonidse. 



Saesia eximia, Allman [Kydroid = Sipicori/ne]: G. J. Allman, Monogr. 

 Gymnobl. Hydr., p. 282, fig. 



Plymouth, some specimens in duly (w.G.). 



Sarsia GEMMIFERA: E. Forbes, IMonogr. Brit. Naked-eyed INIed., p. 57, fig. 

 Plymouth; Sept., 1897; May, 1898; 1899, fairly common in 

 June, few in July ; Cawsand B., a young stage with medusa-buds, 

 Sept. 1897 (E.T.B.). 



