94 



CYAMID^. 



AMPHIPODA. 



ABEHRANTIA. 



CYAMIDJ?. 



CYAMUS GRACILIS. 



Specific character. Body small, oblong ; segments of the body emargiuate 

 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 \ inch. 



Cyamus gracilis. Roussel de Vauzeme, Ann. Sci. Nat. 2nd ser. vol. i. 

 p. 243, pi. 8, fig. 24, 2.5, Milne Edwards, Hist. N. 

 C)-ust. iii. p. 113. SvENCE Bate, Cat. Amph. Brit. 

 Mus. p. 366, pi. Iviii. fig. 1. GrossE, Mar. Zool. i. 

 p. 131. White, 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 (PI. 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 antennae, and the 



