132 Aren icolidae 



southern species, are noteworthy in connection with the discussion 

 on the former greater extent of the Antarctic continent. 

 Type specimen in Naturhistorisches Museum, Hamburg. 



A. assimiUs. 



(co-types) . Uschuaia . . Naturh. Mus. Hamb. 1912. 5. 25. 1/2. 



Yar. affinis 



New Zealand . . Prof. Benham, F.R.S. 1907. 5. 1. 31. 



Auckland I. . . " Discovery " Exped. 1907.5.9.48-50. 



Stewart I. . . Ashworth Coll. 1912. 4. 9. 30. . 



Burnie, Tasmania . ,, ., 1912. 4. 9. 31. 



Liideritzbucht . 1912. 4. 9. 32, 33. 



Falkland Islands 1912. 4. 9. 34. 



ARENICOLA ECAUDATA Johnston. 



Plate II, Figs. 7, 8 ; Plate IX, Fig. 19 ; Plate XI, Figs. 34, 35 ; 

 Plate XV, Figs. 52, 53. 1 



Arenicola ecaudata 



Johnston, London's Mag. Nat. Hist., viii (1835), p. 566 (Berwick Bay) ; 



Catal. Worms Brit. Mus. (1865), pp. 231, 345. 

 Ashworth, Trans. Liverpool Biol. Soc., xi (1897), p. 30 (Port Erin) ; Fisheries 



Irel. Sci. Invest. 1908, vii (1909), p. 2 (Galway) ; Ann. Sci. Nat. Zool., 



ser. 9, x (1910), p. 114 (Kerity). 



Beaumont, Proc. R. Irish Acad., ser. 3, v (1900), p. 784 (Valencia). 

 Bidenkap, Vid. Selsk.Forh. Christiania (1894), no. 10, pp. 39, 112 (Bergen ; 



Hvidingso). 



Chenu, Illustr. conchyliol., i (1842), pp. 1, 12, pi. i, fig. 5. 

 Elwes, J. Mar. Biol. Assoc., N.S., ix (1910), p. 64 (Torquay). 

 Fauvel,C. R. Acad. Sci. Paris, cxxxv (1898), p. 733; Bull. Sci. France 



Belg., xxxii (1899), p. 289, etc. ; Bull. Soc. Linn. Norm., ser. 5, ii (1899), 



p. 64 (Cherbourg) ; Mem. Soc. Nation. Sci. Nat. Math. Cherbourg, 



xxxi (1899), p. 163: (1900), p. 315. 



Ferronniere, Bull. Soc. Sci. Nat. Quest France, ser. 2, i (1901), p. 19 (Loire- 

 Infer.). 



Gamble and Ashworth, Q. J. Micr. Sci., xliii (1900), p. 432, pi. xxii, fig. 4. 

 Gemmill, Marine Worms, in, Fauna Clyde Area (1901), p. 361 (Cumbrae). 

 Koehler, Ann. Sci. Nat. Zool., ser. 6, xx (1885), Art. 4 (Jersey, Guernsey, 



Herm). 



Lafont, Acta Soc. Linn. Bordeaux, xxviii (1873), p. 264 (Arcachon). 

 Larikester, Ann. Mag. Nat. Hist., ser. 3, xvii (1866), p. 390 (Herm). 

 M'Intosh, Rep. 39 Meet. Brit. Assoc. (1870), p. 90 (Plymouth) ; Ann. Mag. 



Nat. Hist., ser. 8, i (1908), p. 382 (Loch Maddy ; Co. Dublin). 

 Malm, K. Vet. Handl. Goteborg, xiv (1874), p. 88 (Gullmarn; Loken ; The 



Skaw). 



Malmgren, Ofvers. K. Vet. Akad. Forh. 1867 (1868), p. 189 (Bahusia). 

 Mesnil, Zool, Anz., xxi (1898), p. 631 ; Bull. Sci. France Belg., xxxii (1899), 



p. 318 (C. la Hague). 



Quatrefages, Hist. Nat. Annel., ii (1865), p. 265 (St. Vaast). 

 Storm, K. Norske Vid. Selsk. Skr. 1880 (1881), p. 95 (Trondhjemsfjord). 



1 For other figures of this species, see Figs. 5, 6, 10, 28, pp. 40, 42, 56, 

 chaetae of post-larval stages; Figs. 16A, 29, pp. 47, 57, chaetae of adult; 

 Fig. 36, p. 61, gill. 



