GAMMARIDJ5. 79 



1862. Grala imbricata, Bate & Westwood, vol. i. p. 152 (very young). 

 1893. Amathilla homari, Sars, p. 490, pi. clxxii. and pi. clxxiii. 



fig. 1. 

 1893. Amathilla angulosa, id. ibid. p. 492, pi. clxxiii. fig. 2. 



We regard Gammarus angulosus as a small form of 

 Amathilla homari, and not as a distinct species. All the 

 examples from Devon and Cornwall belong to the small 

 form. 



Falmonth and Polperro (fide Bate) ; Torquay (Stebbing) ; 

 Ilfracombe and Fowey (A. M. N.). 



GAMMARUS CAMPYLOPS, Leach. 



1893. Gammarus campylops, C4. 0. Sars, p. 500, pi. clxxvi. fig. 2. 



The telson figured by Norman as belonging to this species 

 ("Notes on British Amphipoda," Ann. & Mag. Nat. Hist. 

 scr. 6, vol. iv. 1889, p. 139, pi. xii. fig. 13) belongs to what 

 is now called G. Duebeni, Lilljeborg (vide Sars). 



" Common on Zostera Bank, east side of Salcombe Har- 

 bour" (TofM, vi. p. 203). 



GAMMARUS MARINUS, Leach. 



1889. Gammarus marinus, Hoek, " Crustacea Neerlandica, II.," 

 Tijdscb. Ned. Dierk. Vereen. ser. 2, vol. ii. p. 32, pi. vii. figs. 8 & 9. 

 1889, Gammarus marinus, Norman, 1. c. p. 138, pi. xii. fig. 12. 



Plymouth (Sate) ; Exmouth, and the Breakwater, Ply- 

 mouth (A. M. N.). 



GAMMARUS LOCUSTA (Linne). 



1889. Gammarus locusta, Norman, 1. c. p. 137, pi. xii. fig. 11. 

 1889. Gammarus locusta, Hoek (partim), 1. c. pi. x. fig. 10. 



Common everywhere between tide-marks. 



GAMMARUS PULEX, De Geer. 



1889. Gammarus locusta, var. B, Hoek, 1. c. p. 45, pi. x. fig. 12. 



Common in streams and ponds. 



MELITA PALMATA (Montagu). 



Ilfracombe and Seaton (Parftti) ; Torquay (Stebbmg) ; 

 Starcross, Salcombe, Plymouth, Polperro (A. M. N.). 



MELITA OBTUSATA (Montagu). 



Melita proxima, Bate, is a variety, and Megamcera Alderi, 

 Bate, the female of this species. 



