142 Canon A. M. Norman on British Amphipoda. 



Fidra and Bass Rock, Firth of Forth [T. 8.) ; Salcombe 

 {Stehhinq). 



nistrlb. Trondhjem Fiord, 20-40 fath. {A. M. N.) : Mus. 

 Nor. South and West Norway {G. O. Sars) ; Bohaslii'i, 

 Sweden [Lindstrdm] ; West France (Chevreux). 



Genus 3. IchnOPUS, Costa. 



19. Ichnopus spinicorniSf Boeck. 



1860. Ich?wpus spinicornis, A. Boeck, Forli. ved de Skand. Naturf. 

 8de Mode i Kjobenliavn, p. 645. 



1867. Ichnopus calceolaf.us, Heller, Beit. z. Kennt. der Ampliip. des 



Adriat. Meeres, p. 20, pi. ii. figs. 26-28, J . 

 1872. Ichnopus spinicornis, Boeck, (138) p. 124, pi. ii. fig. 3, and 



/. minutus, p. 126, pi. iii. fig. 7. 

 1890. Ichnopus spinicornis, Sars, (142) p. 40, pi. xv. 



Hah. A single specimen taken off Valentia, Irehmd, by the 

 ' Porcupine,' 1869 {Mus. Nor.). 



Distrib. Haakelsund in Kors Fiord and Trondhjem Fiord, 

 Norway {A.M. N.)-, West Norway {G. 0. Sars): Mus. 

 Nor. This Ti'ondhjem Fiord locality is the most northern 

 range as yet known to Sars. South-cast of Belle-Ile, 130- 

 160 nietr. (Chevreux) ; Gulf of Marseilles {Marion) ; 

 Adriatic {Heller). 



Genus 4. Lysianax, Stebbing-, 1888 (Rep. Clialh Amphip.) . 

 = Lrjsianassa, M.-Edwards (preoccupied). 



20. Lysianax septentrionalis, Delia Valle. 



1861. Lysianassa Costce, Bate & Westwood, (1) vol. i. p. 74, $. 

 1861. Lysianassa longicornis, Bate & Westwood (nee Lucas), (1) vol. i. 



p. 85, S (partim) *. 

 1872. Lysiaiiassa Costce, Boeck, (138) p. 118, pi. iv. fig. 1, J. 

 1872. Lysianassa plumosa, id. ibid. p. 116, pi. iii. fig. 5, c?. 

 1890. Lysianassa Costce, G. O. Sars, (142) p. 42, pi. xvi. fig. 1. 

 1893. Lysianax septentrionalis, Delia Valle, (139) p. 778. 



Delia Valle makes it clear, in my opinion, that the above 

 species cannot be the Lysianassa Costce^ H. Milne-Edwards. 

 That species is too imperfectly described and figured to be 

 recognizable ; but it can scarcely be our northern species, .is 

 here understood — -jirst, because the third segment of the meta- 

 some is not produced in hook-like form ; secondly, because it 

 was found among seaweeds at Naples ; and Delia Valle has 

 not met with anything like our northern Lysianassa at 

 Naples. He thinks it possible that M. -Edwards's species 

 may be the same as that which he has himself described 

 under the name Lysianassa bispinosa. 



* Judging by the telsou, the figures of the entire animal and of the 

 urosome cannot have been taken from this species. Vide Walker, Ann. 

 & Mag. Nat. Hist., Feb. 1892, p. 136. 



