244 PLYMOUTH .MAi;iNE INVERTEBRATE FAUNA. 



I Isopoda— coH^/.] 



Idothea emarginata (Fabricius) : G. 0. Sars, Crust. Norway, vol. ii, 

 p. 85, fig. 



Jenuycliff B., common (t.v.h., r.a.t.) : Whitsand B. (s.P.). 

 Idothea linearis (Liumtms): C. Spcncc Bate & West ivood, Bv'it. Sess.- 

 eyed Crust., vol. ii, p. 388, fig. 



Coinmon among Zodcra ; Drake's I.; JennyclilT ]j.; Cawsand B.; 

 AVhitsand B. ; Yealm Est. (s.P.). 



Idothea neglecta: G. 0. Sars, Crust. Norway, vol. ii, p. 84, fig. 



Drake's I., abundant under stones at low-water; JennycliU' B., 

 Mt. Edgcumbe, etc., occasionally (s.P.). 

 Breeding : Mar. (s.P.). 



Idothea prism atica (Eisso) : C. S. Bate & Wcstv:ood, Brit. Sess.-eyed 

 Crust., p. 391, fig. (as /. imrallela). 



Cawsand B., single spec, inhabiting a dead Zosteva stem (w.G.). 

 Idothea pelagica. Leach: G. 0. Sars, Crust. Norway, vol. ii, p. 81, fig. 



Single spec, between Breakwater Lt. and Queen's Gd. Buoy (j.t.c). 



Carrying embryos : Dec. (j.t.c). 



Arcturidse, 



Astacilla longicornis (Sowerby) : G. 0. Sars, Crust. Norway, vol. ii, 

 p. 88, fig. 



Not uncommon clinging to the spines of Echinus esculent u s ; 

 Eddystone Gds. (r.a.t., s.p.) : Mewstone Ledge, occasionally (r.a.t.). 

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

 Astacilla intermedia (Goodsir) : C. Spcncc Bate & Westicood, Brit. 

 Sess.-eyed Crust., vol. ii, p. 371, fig. (as Aretnrns). 

 The Breakwater (w.h.) : Queen's Gd. (t.v.il). 



Janiridae. 



Janira maculosa. Leach : G. 0. Sars, Crust. Norway, vul. ii, p. 99, fig. 



Common in Millbay Pit and between tide-marks at Mt. Edg- 

 cumbe and Drake's I.; less common in dredgings from Queen's 

 Gd. and Asia Sh. and on the Eeny Kks. ; occasionally outside in 

 33 fms. (r.a.t.). 



Females carrying ova : Mar.-Apr. (r.a.t.). 



3mRi\ marina (Fabricius) [ = /. alhifrons, Leach]: G. 0. Sars, Crust. 

 Norway, vol. ii, ]). 104, fig. 



Bocks under the Hoe: Qhieen's Gd. ; the I'rcakwater: not un- 

 common (r.a.t.) : Hollow liock B., common under stones at low- 

 water (s.P.) : lieny I'ks., common (r.a.t.). 

 P>reeding : Feb. (r.a.t.). 



Munnidse. 



Munna Kroyeri, Goodsir: G. 0. Scrs, Crust. Norway, vol. ii, p. 10'.', fig. 

 Millbay Ch.; Asia Sh. ; Queen's Gd. ; Yealm B. ; not uncommon 



(R.A.T.). 



Ligiidse. 



Ligia oceanica (Linnfeus): G. 0. Sars, Crust. Norway, vol. ii, p. 156, fig. 



Common in rock-crevices, etc., above hij^h-water mark in the 

 Sound (r.a.t., s.P.): abundant on quay walls in the Cattcwater 

 (s.P.) : the Breakwater (a.o.w., s.P.). 



Breeding : June (a.j.s.). 



