200 
GAMMA RIDvE. 
AMPHIPODA. 
NATATORIA 
PHOXIDES. 
UROTHOE ELEGANS. 
Specific character . Inferior antenna) nearly as long as the animal. 
Branches of the terminal caudal appendages very long and setose. 
Length 5 4 g inch. 
Gammarus elegans. Spence Bate, Rep. Brit. Assoc. 1855. 
TJrothoe elegans. Spence Bate, Synop. &c. Ann. Nat. Hist. 2 ser. xix. 
p. 145, 1857. Cat. Amph. Brit. Mas. p. 117, pi. 
xx. fig. 2. White, Pop. Hist. Brit. Crust, p. 186. 
This species much resembles U. marinus , but differs 
from it in the following important points : — the eyes are 
uniform ; the superior antennae are scarcely longer than 
the peduncle of the inferior ; the flagellum of the inferior 
is very slender and long, being nearly as long as the 
animal. The rest of the animal scarcely offers any 
specific variation from U. marinus . Its colour is whitish 
buff, the anterior portion of the body being covered with 
small black dots, and the head, posterior coxae, and bases 
of the hind legs, as well as the sides of the terminal seg- 
ments of the body, beautifully mottled with pink. 
The first specimen was taken from some trawl refuse, 
brought in from the neighbourhood of the Eddystone 
Lighthouse. Its extremely beautiful colouring struck 
us with delight, and suggested its specific name, more 
particularly if it should prove constant. A second spe- 
