94, CYAMIDA. 
AMPHIPODA. * CYAMIDA. 
ABERRANTIA- 

CYAMUS GRACILIS. 
Specific character. Body small, oblong ; segments of the body emarginate 
at their lateral margins. Third and fourth segments of the body with a 
pedunculated branchia on each side, each furnished at its base with two very 
short appendages. Second pair of hands with the palm slightly concave. 
Length 4 inch. 
Cyamus gracilis. Rousset pp Vauzemy, Ann. Sci. Nat. 2nd ser. vol. i. 
p. 248, pl. 8, fig. 24, 25. Murine Epwarps, Hist. N. 
Crust. iii. p. 113. Speunce Barz, Cat. Amph. Brit. 
Mus. p. 866, pl. lviii. fig. 1. Gossz, Mar. Zool. i. 
p. 131. Watts, Pop. Hist. Brit. Crust. p. 219. 
Our figures of this species represent, firstly (the cen- 
tral figure), the animal as drawn of the natural size by 
M. Roussel de Vauzeme; secondly (the right-hand 
figure), a copy of Mr. Spence Bate’s figure (Pl. 58, 
fig. 1), drawn from individuals in the Paris Museum, 
found at the Cape of Good Hope, and also taken during 
the voyage of the Chevrotte, but without any indication of 
locality; and thirdly (the left hand-figure), an animal 
in the British Museum, to which the same name has 
been applied, and which is stated by Mr. Adam White 
to inhabit the British seas; it is evidently an individual 
In an Immature state, having minute antennz, and the 
