256 I'LYMOUTII MARINE INVEllTEBEATE FAUNA. 



[Brachyura — conld. ] 



Cancridse. 

 Cancer pagurus, Linnams: T. Bell, Hist. Brit. Stalk-eyed Crust., 

 p. 59, fig. 



Small specs, common among stones between tide-marks on all 



rocky shores ; large specs, seldom seen above low-water mark (s.P.). 



Breeding: Jan. (r.a.t.) : Feb., onwards (w.G.) : Mar.-July ; Dec. 



(R.A.T.). 



PiRLMELA DENTICULATA (Montagu) : T. Bell, Hist. Brit. Stalk-eyed Crust., 

 p. 72, fig. 



Drake's I., not uncommon on clean coarse siielly gravel (w.G., 

 S.P.): Hum B. (R.A.T.): Yealm E. (T.v.ii.): Stoke Pt. Gds. (s.P.). 



Breeding : Feb. ; Apr. (r a.t.). 



Xantho hydrophilus (Herbst) : T. Bell, Hist. Brit. Stalk-eyed Crust., 

 p. 54, fig. (as X. riimlosa). 



Between tide-marks on all rocky shores, not uncommon under 

 stones, etc. (s.P.). 



Breeding : Mar. (r.a.t.) : May (w.G., S.P.) : June (w.G.). 



Xantho incisus, Leach : T. Bell, Hist. Brit. Stalk-eyed Crust., p. 51, fig. 

 (as X.Jiorida). 



Common between tide-marks on all rocky shores (s.P.). 

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



Eriphidse. 



PiLUMNUS HIRTELLUS (Linujcus) : T. Bell, Hist. Brit. Stalk-eyed Crust., 

 p. 68, fig. 



Not uncommon on all rocky shores under stones and in crevices, 

 L.W.-5 fnis. (s.P.) : common in f.epraliafoliacea; Mewstone Ledge ; 

 etc. (r.a.t., s.i'.). 



Breeding: Mar. (s.P.): Apr. (w.G., R.A.T.): May-June (w.G.): 

 July (S.P.). 



Portunidae. 

 PoRTUNUS ARCUATUS, Leach : T. Bell, Hist. Brit. Stalk-eyed Crust., 

 p. 97, fig. 



Queen's Gd. (r.a.t.) : Cawsand B. (t.v.ii., e.w.l.h.) : Yealm R., not 

 uncommon (r.a.t., t.v.h.) : Laira (t.v.h.). 



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



PoRTUNUS corrugatus (Pennant): Z i^W/, Hist. Brit. Stalk-eyed Crust, 

 p. 94, fig. 



Queen's Gd. ; Millbay Ch. ; not unconnnon (r.a.t.) : Drake's I., 

 between tide-marks (t.v.h.^): Cawsand B. (e.w.l.h.): Bovisand B. 

 (J.T.G.). 



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



PoRTUNUS depurator (Linmeus): T. Bell, Hist. Brit. Stalk-eyed Crust., 



p. 101, fig. . . 



Generally distributed, 3-30 fms., sometimes in large numbers 

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



Breeding: Jan.-Feb. (r.a.t.): Mar.-Apr. (w.G., r.a.t., s.p.): May- 

 July (w.G., r.a.t.): Aug. (W.G.): Sept.; Nov. (r.a.t.). 



