IDOTEID/E. ARCTURID7E. 47 



ZENOBIANA PRISMATIC A (Risso). 



1826. Zenobia prismatica, Risso, Hist. Nat. de 1'Europe Me"rid. 



vol. v. p. 110, pi. v. fig. 24. 

 - ? Idotea chelipes, 0. G. Costa, Fauna del regno di Napoli, 



Idotea, p. 2, pi. xi. tigs. 2, a, b, c. 



1867. Idotea pamllela, Bate & Westwood, 1. c. vol. ii. p. 391. 

 1895. Zenobia prismatica, A. Dollfus, 1. c. p. 9, fig. 25. 

 1895. Zenobiana prismatica, Stebbing, "Notes on Crustacea," Ann. 



& Mag. Nat. Hist. ser. 6, vol. xv. p. 24. 

 1904. Zenobiana prismatica, Norman, 1. c. p. 444. 



Meadfoot, Torquay (Stebbing, in Mus. Nor.) ; Paignton 

 (Stebbing); Cawsand Bay, Plymouth (Garstang, ii. p. 338); 

 Polperro (Laughrin, fide Bate); Falmouth (A. M. N.). 



STENOSOMA LANCIFERUM, Leach (MSS.). 



1867. Idotea appendiculata, Bate & Westwood, vol. ii. p. 396 (nee 



Leptosoma appendictdatum, Risso). 

 1895. Stenosoma lancifer, A. Dollfus, 1. c. p. 5, fig. 14. 

 1904. Stenosoma lanciferum, Norman, 1. c. p. 444. 



Ilfracombe (Stebbing); Sidmouth (Leach): Exmouth, tide- 

 marks (A. M. N.) ; Polperro (Laughrin, in Mus. Nor.}. 



STENOSOMA ACUMINATUM, Leach. 



1867. Idotea acuminata, Bate & Westwood, vol. ii. p. 394. 

 1895. Stenosoma acuminatum, A. Dollfus, 1. c. p. 5, fig. 14. 

 1904. Stenosoma acuminatum, Norrnan, 1. c. p. 444. 



Devonshire (Leacli)-, Falmouth (Cocks). 



Fam. 2. A R c T u R I D JE. 



ASTACILLA LONGICORNIS (Sowerby). 



1867. Arcturus longicornis, Bate & Westwood, vol. ii. p. 365, 2 . 

 1867. Arcturus gracilis (Goodsir), iid. ibid, p. 373, tf . 

 1897. Astacilla longicornis, G. O. Sars, 1. c. p. 88, pi. xxxvi. 



Mouth of the Yealm (A. M. N.) ; Plymouth (Bate). 

 ASTACILLA DESHAYESII (Lucas). (PL V. figs. 6-10.) 



1845. Arcturus Deshayesii, Lucas, Aniui. artic. de 1'Algerie, Crust. 



p. 59, pi. v. fig. 7. 

 1874. Arcturus gracilis, Stebbing (nee Goodsir), " Sessile -Eyed 



Crustacea of Devon," Trans. Devon. Assoc. Advanc. Science, 



p. 8, figs. 2-4 (separate copy). 

 1878. Arcturus linearis, Stebbing, "Notes on Sessile-Eyed 



Crustacea," Ann. & Mag. Nat. Hist. ser. 5, vol. i. p. 36. 

 1893. Astacilla Deshayesii, Stebbing, History of Crustacea, p. 371 



(name only). 

 1904. Astacilla Deshayesii, Norman, 1. c. p. 447, 



