PLYMOUTH MARINE INVERTEBRATE FAUNA. 235 



[Copepoda— conW.] 



Pseudocalanidse. 

 PsEUDOCALANUS ELONGATUS, Boeck : G. 0. Sai's, Crust. Norway, vol. iv, 

 p. 20, fig. 



One of the commonest species, in immense numbers during 

 autumn, winter, and spring, 1888-9 (g.c.b.) : 1899, Feb.-Apr., 

 more or less i"are (p.t.c.) : very common in 1903 and 1904 (l.h.g.). 



Centropagidse. 



Centropages typicus, Krijyer: (1. U. Sars, Crust. Norway, vol. iv, 

 p. 75, fig. 



Plymouth, 1888-9, abundant except during winter, when it is 

 scarce (g.c.b.): 1899, Jan.-Feb., rare; ]\Iar.-Apr., in fair numbers; 

 May, rare; June, more or less rare; Juiy-Aug., rare; Sept., very 

 rare (p.t.c.): 1903, Jan.-Feb. ; Apr.-June ; Aug.-Oct. ; 1904, Jan.- 

 July (l.h.g.). 

 IsiAS CLAVIPES, Boeck : G. 0. Sars, Crust. Norway, vol. iv, p. 79, fig. 



Plymouth, June 1899 (p.t.c): Dec. 1902; Sept. 1903; Mar.- 

 June 1904 (l.h.g.). Temoridse. 



Temora longicornis (0. F. Miiller) : G. 0. >Sars, Crust. Norway, vol. iv, 

 p. 97, fig. 



Plymouth, 1888-9 ; scarce during winter months, becoming more 

 common in Apr., and reaching maximum abundance Aug.-Sept. 

 (g.c.b.): 1899; Mar., somewhat rare; Apr., very common; June- 

 Oct., rare (p.t.c): 1903-4, rare in winter (l.h.g.). 



Pontellidse. 

 Anomalocera Patersoni, Templeton : G. 0. Sars, Crust. Norway, vol. 

 iv, p. 139, fig. 



Plymouth, 1888-9, abundant in autumn and late summer, absent 

 in winter (g.c.b.) : 1904, July (l.h.g.). 

 Labidocera Wollastoni, Lubbock : G. 0. Sars, Crust. Norway, vol. iv, 

 p. 142, fif. 



Plymouth; 1902, Dec; 1904, Apr.-July (l.h.g.): near the Eddy- 

 stone, in small numbers, Aug. and Oct., 1888 (g.c.b.). 



Parapontellidse. 



Parapontella brevicornis (Lubbock) : G. 0. Sars, Crust. Norway, vol. 

 iv, p. 145, fig. 



Near Eddystone, few specs. Sept. 1888 ; tiie Cattewater, Mar. 

 1889 (G.CB.): Plymouth, rare, Mar.-Apr. 1899 (p.t.c): 1903, May- 

 July; 1904, Feb.-May, July; rare in winter (l h.g.). 



Acartiidae. 

 ACARTIA Clausi, Giesbrecht : G. 0. Sars, Crust. Norway, vol. iv, 

 p. 150, fig. 



Plymouth, 1899; Jan., rare; Mar.-Apr., more or less abundant; 

 June-Aug., common ; Sept.-Oct., in fair numbers ; Nov.-Dec, very 

 rare (p.t.c): 1903, except during Mar. and May; 1904, Jan.-July 

 (l.h.g.). 



AcARTiA longiremis (Lilljeborg) : G. 0. Sars, Crust. Norway, vol. iv, 

 p. 149, fig. 



One of the most common species at all seasons, 1888-9 (g.c.b.). 



NEW .SEKIES. — VIII.. VII. NO. 2. Q 



