; 

12 HYPERIIDA. 
AMPHIPODA. HAYPERIIDA. 
HYPERINA. 

HYPERIA GALBA. 
Specific character. Cephalon large ; pereion distended ; pleon compressed. 
Antenne short, having the flagella terminating in a few scarcely-visible 
articuli. First pair of gnathopoda having the carpus broad, but not obliquely 
produced; second pair having the carpus infero-anteriorly produced. 
Peduncle of the posterior pair of pleopoda reaching to the apex of the rami 
of the preceding pair. Telson lanceolate. 
Length 3 inch. 
Hyperia Galba. Montacu, Linn. Trans. xi. p. 4, pl. 2, fig. 2. 
Minne Epwarps, Hist. des Crust. iii. p. 77. 
W. Tsompson, Ann. Nat. Hist. xx. p. 244. 
Waitt, Cat. Crust. Brit. Mus. 1847 and 1850, 
p. 57. Hist. Brit. Crust. p. 206. Gossz, Mar. 
Zool, p. 139. Spence Bars, Ann. Nat. Hist. 
2 ser. xix. p. 150. Cat. Amph. Brit. Mus. p. 293, 
pl. xlviii. fig. 9. 
Hyperia Latreillia. Minyr Epwarps, Ann. des Sci. Nat. xx. p. 388, 
pl. xi. fig. 1-7. Hist. des Crust. iii. p. 76. 
Régne An. (Ed. Crochard) Crust. pl. Iviii. fig. 1. 
ahs th 
