Rev. A. M. Norman's Notes on British Amphipoda. 129 



1853. Gammariis puncfiina7ms, A. Costa, Ricerche sui Crost. Amfip. 



del Regno di Napoli, p. 222, pi. iii. fig. 0, c? . 

 1853. Gmnniancs obtusungtiis, id. ibid. p. 219, pi. iii. fig. 8, (^ junior. 

 1853. Ainphitho'e semicarinata, id. ibid. p. 210, pi. iii. fig. 3, j. 

 1857. Gammarella orchestiformis, Bate, Ann. & Mag. Nat. Hist. ser. 2, 



vol. xix. p. 143, S • 

 18G2. Gammarella brevicaudafa, Rate, Cat. Amphip. Crust. Brit. Mus. 



p. 180, pi. xxxii. fig. S,'(S\ Bate & Westw. Brit. Sessile-eyed Crust. 



Tol. i. p. 330, S . 

 1862. Gammarella Normani, iid. ibid. vol. i. p. 333, $ . 

 1874. Gammarella hrevicaiidala, Stebbiug, Ann. & Mag. Nat. Hist. 



ser. 4, vol. xiv. p. 13, pi. ii. fig. 3 a-y, c? $ . 

 1880. Gammarella lotir/icornis, Koeliler, Faun. litt. des lies Anglo- 



Norniandes, p. 60, d >^2 ■ 

 1888. Gamynarella brevicandnta, Th. Barrois, Cat. des Crust, marins aux 



Azores, p. 47, pi. iv. figs. 5-12, J $ . 



Hob. Jersey ; Falmouth [A. M. N.) ; Torquay {Stehbing) : 

 Mus. Norm. Salcombe Harbour, Devon {Stebhing) ; off 

 Hunterston, Firth of Clyde {D. Robertson). 



Distribution. Adriatic [Heller) ; Azores ; Northern and 

 Western France [Th. Barrois)] St. Lunaire and Arcachon, 

 M. Dolfuss [Chevreaux). 



In young males the hand of the second gnathopod differs 

 markedly from that of the adult, especially in the finger, 

 which is not more than half the length of the hand. 



1'his is a southern form, not as yet recorded from any 

 station north of the Firth of Clyde. 



Genus VII. Cheirocratus, Norman, 1865. 

 (Nat. Hist. Trans. Northumberland and Durham, vol. i. (1865) p. 12.) 



1. Cheirocratus assimilis (Lilljeborg). 

 (PI. X. fig. 13, and PI. XL fig. 11.) 



1851. Gammarus assimilis, Lilljeborg, (')fv. af Kongl. Vet.-Akad. Forh. 



1851, p. 23. 

 1853. Gammarus assimilis, id. ibid. 1853, p. 445. 

 1859. Gammarus assimilis, Bruzelius, Skand. Amphip. Gamm. p. 58. 

 1862. Gammai-vs assimilis, Bate, Cat. Ampliip. Crust. Brit. Mus. p. 214. 

 1865. Cheirocratus mantis, Norman, Nat. Hist. Traus. Northumb. and 



Durham, vol. i. p. 13, pi. vii. figs. 14, 15, S • 

 1868. Cheirocratus mantis, Bate & Westw. Brit. Sessile-eyed Crust. 



vol. ii. p. 513, (S . 

 1870. Cheirvcratus assimilis, A. Boeck, Crust. Amphip. bor. et arct. 



p. 134. 

 1876. Cheirocratus assi^nilis, A. Boeck, De Skand. eg Arkt. Amphip. 



p. 398, pi. xiv. fig. 3. 



The telson (PL X. fig. 13) has the central portion of the 

 extremity of each half concave, while the corners are pro- 

 Ann. & May. N. Hist. Ser. 6. Vol. iv. 9 



