PLYMOUTH MARINE INVERTEBRATE FAUNA. 255 



[ Bracliyura — confd.] 



Mackopodia rostratus (LiniKi'us) : 7'. 7A//, Hist. Brit. Stalk-eyed Crust., 

 p. 2, fig. (as Stenorynclius i^lialangium). 



Occasionally in dredgings from the Sound ; Cawsand B., 

 moderately common ; Yealm B., not uncommon (r.a.T.). 



Breeding : May (w.g.) : Aug. (r.a.t.). 

 AcHiEUS Cranchi, Leach: T. Bell, Hist. Brit. Stalk-eyed Crust., p. 10, fig. 



Queen's Gd. ; Duke Ptk. (t.v.h.) : Yealm \\. (r.a.t.). 



Breeding : Aug. (R.A.T.) : Sept. (S.P.). 

 Inachus dorsettensis (Pennant): T. Bell, Hist. Brit. Stalk-eyed Crust., 

 p. 13, fig. 



Queen's Gd., occasionally ; common in 15-30 fms. outside the 

 Sound; Mewstone Gds.; Eame-Eddystone Gds.; etc. (r.a.t.): Eddy- 

 stone Gds. (e.J.A.) : Yealm li, not uncommon (r.a.t.). 



Females in berry : Jan.-Apr. (r.a.t.) : June-Aug. (r.a.t., s.p.) : 

 Sept. (s.p.). Zotea stage : Mar. ; July (r.g.). 

 Inachus dorynchus, Leach: T. Bell, Hist. Brit. Stalk-eyed Crust., 

 p. 16, fig. 



Millbay Ch., occasionally ; Duke Ek. ; Yealm \l., not uncommon 

 (r.a.t.). 



Female in berry : Mar. (r.a.t.). 



Maiidse. 

 Maia squinado (Herbst): T. Bell, Hist. Brit. Stalk-eyed Crust., p. 39, fig. 

 Moderately common in the Sound, among rocks and on sand with 

 Zosterc, etc., 5 fms. (r.a.t.) : common amongst the rocks outside 

 Plymouth Sound (e.j.a.) : Caw.sand B., not uncommon (r.a.t., s.p.) : 

 Mewstone 'Echinoderm' Gd.; Eame-Eddystone Gds.; occasionally 

 (r.a.t.): Eddystone Gds. (E.J. A.): Yealm E., moderately common (r.a.t.). 

 Breeding : Mar.-Apr. (r.a.t.) : May (S.P.) : June (R.A.T.). 

 Pisa biaculeata (Montagu): T. Bell, Hist. Brit. Stalk-eyed Crust., 

 p. 27, fig. (as F. Gihhsi). 



Mewstone Ledge, single spec. ; Yealm E., single spec, (r.a.t.). 

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

 Hyas araxeus (Linnffius): T. Bell, Wist. Brit. Stalk-eyed Crust., p. 31, fig. 



Yealm E. (e.j.a., e.w.l.h., r.a.t., t.v.h.): the Mewstone (t.v.h.). 

 Hyas coarctatus. Leach: T. Brll, Hist. Brit. Stalk-eyed Ci'ust., p. 35, fig 

 Occasionally in 15-30 fms.; Eame-Eddystone Gds.; etc. (r.a.t) 

 Eddystone Gds., occasionally on the fine sand grounds (e.j.a.) 

 Cawsand B., fairly common (a.j.s.). 



Breeding: Mar.-Apr.; July (r.a.t.) : Aug. (w.G.): Dec. (r.a.t.). 



Parthenopidae. 

 EuRYNOME aspera (Pennant): T. Bell, Hist. Brit. Stalk-eyed Crust., 

 p. 4H, fig. 



Fairly common, 10-30 fms., on gravel and sand (s.p.) : Millbay 

 Ch. and Pit, not uncommon ; Asia Sh. ; Queen's Gd. (r.a.t., s.p.) : 

 Duke Ek. ; the Breakwater, between tide-marks^; Yealm E., 

 occasionally in dredgings (r.a.t.) : Eame-Eddystone Gds. ; Mew- 

 stone 'Amphio.rufi' Gd. (R.A.T., s.P.) : Eddystone Gds. (e.j.a., s.p.) : 

 Stoke Pt. (ids. (s.p.). 



Breeding: Jan.-Feb. (w.g., it.A.T.) : Mar.-Apr. (W.G. , R.A.T., S.P.) 

 May-June (s.p.) : July (r.a.t., s.p.) : Sept. (s.P.). 



