PLYMOUTH MARINE INVERTEBltATE FAUNA. 281 



[ Nudibranchiata — conid.] 



one shell ; resembles the eggs with which it is associated, the 

 colour varying according to whether the eggs are those of the 

 Gohj or Butterfly Blenny (a.j.s.). 

 Antiopella cristata (delle Chiaje) : J. Alder & Hancock, Monogr. Brit. 

 Xndibr. Moll., p. 54, fig. (as Antiopa). 



liock-pool under the Hoe; lium B. (av.g.) : Queen's Gd. (s.p., 

 W.I.B.): Millbay Docks, very large spec; Eddystone Gds. (w.i.b.) : 

 Mewstone Gds. (w.G.) : Yealm E. (k.a.t.). 

 Breeding : Aug. (r.a.t.). 

 Antiopella hyalina, Alder & Hancock : •/. Alder & Hcincock, Monogr. 

 Brit. Xudibr. Moll., p. 54, fig. (as AntiojKf). 



Queen's Gd., several small specs. (w.LB.) : Duke Rk. (T.V.H.^): 

 Mewstone Ledge ("W.lb. & r.a.t.^) : Mewstone ' Echinoderm ' Gd. ; 

 2-4 m. N.E. of Eddystone (w.lb.). 

 Hero Formosa (Loven) : J. G. Jeffreys, Brit. Conch., vol. v, p. Go. 



Not unconnnon outside the Breakwater (w.G.): Eddystone Gds.; 

 Mewstone Gds.; Stoke Pt. Gds.: 6 m. S. of the Mewstone, in con- 

 siderable numbers, Jan.-June 1895 : has not been seen since 1898 



(E.J.A.). 



Breeding : Apr. (w.G.). 



Lomanotidae. 



LoMANOTUS marmoratus (Alder & Hancock): W. I. Bcaurnont, Proc. 

 Irish Acad., ser. 3, vol. v, p. 846. 



Fairly common on Antcnnularia in shallow water: Asia Sh.: 

 New Gds.: Millbay; etc. (w'.lb., s.p.): about 1 m. S. of Mewstone, 

 large spec, (w.lb.): 3 m. S. of Mewstone* (w.G.). 

 Lomanotus portlandicus, Thompson : W. I. Beaumont, Proc. Irish 

 Acad., ser. 3, vol. v, p. 842. 



Very scarce; two specs., New Gds.: 4 m. S. of the Mewstone, 

 large spec. ; 3 m. S.S.W. of Eame Hd. (w.LB.) : Queen's Gd.,f 

 young specimens on Antemudecria (w'.G.). 

 Spawned : Sept. (w.lb.). 



Dotonidse. 



Doto CORONATA (Gmelin) : /. Alder & Hancock, Monogr. Brit. Nudibr. 

 Moll., p. 48, fig. 



Fairly plentiful on Antcnnularia at most stations (w.lb., S.P.): 

 always on calyptoblastic Hydroids (w^G.) : Millbay Docks, on 

 Plumularia ; buoy near Breakwater; Drake's I., on the shore 

 (w.lb.) : Yealm Pi. (w.lb., r.a.t.). 



lireeding : most of the year (w^.lb., s.p.). 



DoTO FRAGiLis (Forbes) : J. Alder & Hancock, Monogr. Brit. Nudibr. 

 Moll., p. 48, fig. 



Common on Antennularin, etc., from the outside grounds, less 

 frequent in the Sound (W'.G., W^LB., S.P.). 



lireeding during the greater part of the year (w.lb., s.p.). 



* As L. varians. I As L. Genei. 



