GAMMARID-ffi. 81 



1857. Gammarus longimanus, Bate, Ann. & Mag. Nat. Hist. ser. 2, 



p. 15, <$ (separate copy) *. 

 1859. Gammarus Icevis, Bruzelius, Bid. till kann. oni Skand. Amphip. 



Gammarid. p. 00, pi. ii. fig. 10, J $. 

 1893. Maura othonis, Sars, p. 518, pi. clxxxii. fig. 1. 

 1896. Mara Brooki, T. Scott, Proc. Roy. Phys. Soc. Edinb. vol. xiii. 



p. 173, pi. v. 



We have come to the conclusion that Mcera Brooki is 

 a slight variety of a large male of this species. The figure 

 of the second gnathopod of the male by Sars is not quite 

 satisfactory, as it must have belonged to an immature example. 



Salcombe (Stebbing] ; Ilfracombe, mouth of the Yealm (.1. 

 M. N.)\ Plymouth, Polperro, and St. Michael's Mount (Bate). 



CERADOCUS SEMISERRATUS (Bate). 



1862. Megamcera semiserrata, Bate & Westwood, vol. i. p. 401. 

 1899. Ceradocus semiserratus, Stebbing, "Aniphipoda from the 



Copenhagen Museum and other Sources," Trans. Lyin. Soc,, Zool. 



ser. 2, vol. vii. p. 426. 



Near the Mallard Buoy, Plymouth Sound (Bate) ; Sal- 

 combe and the mouth of the Yealm (A. M. N.) ; near the 

 Eddystone Lighthouse (A. 0. Walker). 



MEGALUROPUS AGILIS, Norman. 



1889. Meffaluropits ac/ilis, Norrnan, " Notes on British Amphipoda," 

 Ann. & Mag. Nat. Hist. ser. 6, vol. iii. p. 446, pi. xviii. figs. 1-10 ; 

 and vol. iv. p. 123, pi. x. figs. 15-17. 



1889. Megaluropus ayilis, Hoek, " Crustacea Neerlandica," Tijdsch. 

 Nederl. Dierk. Vereen. ser. 2, vol. ii. p. 28, pi. vii. fig. 7, pi. viii. 

 fig. 3, pi. ix. fig. 3. 



1890. Cheirocratus Drechselii, Meinert, in " Vidensk. Udbytte af 

 ' Hauchs ' Togter," Crust. Malac. p. 170, pi. ii. figs. 48-52. 



1893. Megaluropus agilis, Delia Valle, p. 695, pi. iii. fig. 9, pl.xxxiv. 

 figs. 1-17. 



Megaluropus would seem to be common on the Devon and 

 Cornish coasts, as it has been taken at Ilfracombe, Exmouth, 

 Teignmouth Bay, Dartmouth, Starcross, Whitsand Bay, 

 Plymouth, and the Scilly Isles ( A. M. N.). 







ELASMOPUS RAPAX, A. Costa. 



1853. Elasmopits rapax, A. Costa, Rend. Accad. fis. mat. Napoli, 

 p. 175 (fide Delia Valle). 



1856. Gammarus brevicaudatus, Bate, Brit. Assoc. Rep. for 1855, 

 p. 58, 2 . 



1857. JElasmopus rapax, A. Costa, " Ricerche sui Crost. Amfip. del 

 Regno di Napoli," Mem. d. R. Accad. d. Sci. di Napoli, vol. i. 

 p. 212, pi. iv. fig. 5, rf . 



* The species was only named, not described, by Leach and W. Thomp- 

 son, authors quoted by Bate and Westwood. 



G 



