138 Canon A. M. Norman on British Amphipoda. 



Hah. All round our coasts in suitable places, among de- 

 caying weeds at high-water mark on sandy shores. 



Distrih. The whole coasts of Europe from Norway south- 

 wards, extending to the Black Sea ; Azores [Barrois] ; 

 M ad eira {MoreJei) . 



Genus 2. Hyale, Eathke. 

 { = Allorchestes, Dana, cJ, =Nicea, Nicolet, $ .) 



11. Hyah Nilssoni (Rathke). 



18G1. AUorchestes Nilsso7iii, Bate & Westwood, (1) vol. i. p. 40. 

 1890. Hyale Nilssoyn, Sars, (142) p. 26, pi. xi. fig. 1. 



It is Urchestia nidrosie.nsis (>f Kroyer. 



Hub. Torquay {Stebhing) ; St. Andrews [Mcintosh) ; Firth 

 of Clyde [D. R.) ; Berehaven, Ireland {Prof. Haddon) : Mus. 

 Nor. Jersey [Kcehler) ; Firth of Forth and Locli Fyne 

 {T. S.) ; Liverpool district and Valentia, Ireland {A. 0. W.). 



Distrih. Valencia, Spain (P. Antiga) ; Trondlijem Fiord, 

 Norway {A. M. N.) : Mus. Nor. South and West Norway 

 (G. 0. Sars); Sweden, Denmark, West France (Chevreux) ; 

 Azores (Barrois). 



12. Hyah Luhhockiana (Bate). 



1861. AUorchestes imbricatus, Bate & Westwood, (1) vol. i. p. 43, J. 

 1861. Nicea Luhhockiana, Bate & Westwood, (1) vol. i. p. 47, $ . 

 1876. Hyale Luhhockiana, Stebbing, Ann. & Mag. Nat. Hist. ser. 4, 



vol. xvii. p. 337, pi. xviii. fig. 2 a-d. 

 1870. Hyale Luhhockiana, id. ibid. ser. 5, vol. iv. p. 396. 

 1890, Hrjale Luhhockiana, Sars, (142) p. 27, pi. xi. fig. 2. 



There has been great confusion between the species of tliis 

 genus. Botck confused the two British species of /^a/e, and 

 his figures of the entire animal of his Hyale Nilssoni, and of 

 the second gnathopod of the male, " undoubtedly," as Sars 

 says, represent H. Luhhockiana. 



Delia Valle, with Stebbing's and Sars's clear definitions of 

 the two species before him, actually makes the H. Luh- 

 hockiana of Sars a synonym of his H.pontica, Rathke, which 

 he makes =//. Nilssoni, Rathke, and keeps LJ. Luhhockiana 

 of Bate and Stebbing as a species distinct from that of Sars ! 

 A glance with even a hand-lens at the propodos of the 

 perseopods of the true H. Luhhockiana is sufficient at once to 

 recognize the species on account of the two remarkable large 

 serrated spines with which it is armed. These spines are 

 shown in Bate and Westwood's figure k, in Stebbing's 

 fig. 2 c, in Sars's fig. 2, j). 7, and are even sufficiently indi- 

 cated in Boeck's small figure of the entire animal of his 

 " H. Prevostii,^' to show that the figure really represents 

 H. Luhhockiana. On the other hand, it is clear that the 

 species described by Delia Valle as B. Luhhockiana cannot 



