G A MM ARUS CAMPYLOPS . 



371 



.) 



AMPH1P0DA, 

 NAT ATOM A. 



QAM M ARID ES. 



GAMMARUS CAMPYLOPS. 



Specific character. Third segment of the pleon having the infero-posterior 

 angle produced to a point. Posterior pair of pleopoda having the inner 

 ramus nearly half the length of the outer. Eyes sigmoid or reniform. 



Length \ inch. 



Ga/nvmarus camylops. Leach, Edin. Encyc. vii. p. 403. 



Gammarus campylops. Leach, Linn. Trans, xi. p. 360. Suppl. Enc. 



Brit. i. p. 425. Desjiarest, Consid. sur les 



Crust, p. 267. Milne Edwards, Hist, des 



Crust, iii. p. 48. Thompson, Ann. Nat. Hist. 



t. xx. p. 242. 

 Samouelle, Ent. U. Comp. p. 104. White, 



Hist. Brit. Crust, p. 183. Cat. Brit. Crust. 



p. 53. Cat. Crust. Brit. Mus. 1847, p. 88. 



Cat. Brit. Crust. Brit. Mus. 1849. Gosse, 



Mar. Zool. i. p. 147. Spence Bate, Cat. 



Amph. Brit. Mus. p. 209, pi. xxxvii. fig. 3. 

 Milne Edwards, Ann. Sc. Nat. xx. p. 367. 

 Liljeborg, Ofvers. af Kongl. Yet. Akad. For- 



handl. 1853, p. 448*. 



Ga m marus cam/ptolops. 



t }am m a/rus camphylops. 



(hiiiimarus locasla. 



This species differs from G. locusta in the following- 

 characters. The eyes are linear, reniform, or occasionally 

 bent in the form of the letter S. The antennae are 

 short. The superior pair in the type specimen do not 

 reach beyond the third segment of the body, and the 



