amphipoda from bay of biscay. 211 



Fam. EUSIRIDAE. 



Gen. Eusirus, Ki(")yer. 



Eusirus longipes, Bocclv. 



(Stebbinu (41), p. 341.) 



St.\tion IV. Throe specimens, males, the largest 8 mm. 



Previous records : Chevreux (14), pp. Qo, 171, 172 ; and AValker (46), 



p. 160. 



Eusirus biscayensis, Edimier. 



Station XII. Seven specimens; 6 females, 1*2-13'5 mm. in length, and 

 1 male barely 13 mm. long, the first hitherto recorded. 



This is the first record of the species since its discovery by the Caudan 

 Expedition. The original description was taken from a mutilated 

 specimen. I liave, therefore, redescribed and figured certain of the 

 anatomical details (35), pp. 865-9. 



Gen. Rhachotropis, S. I. Smith. 



Rhachotropis helleri (Ijoeck). 



(Stebbing (41), p. 351 ; and Sexton (35), pp. 869-76.) 



Station XII. Twenty specimens; 1 male, S"75 mm., and 19 females, 

 10-12"5 in length. 



This species has been discussed and the fully developed animal 

 figured in the above-mentioned paper. 



Rhachotropis rostrata, IJonnier. 



(Stebbing (41), p. 353 ; and Sexton (35), p. 869. 



Station XII. Fom' specimens, males, 9 10 mm. in length. 



This is the first record of the species since its discovery by the 

 Caudan Expedition, 



Fam. GAMMARIDAE. 



Gen. Maera. Leach. 



Maera tenuimana (Bate). 



(Stebbing (41), p. 436.) 



Station V. One specimen, a male, 9 mm. long. 



Previous records: by Chevreux as M. Bcdei Norman and M. ninUi- 

 dentcda Bate (9), p. 307 ; and as M. Batei Norman (14), p. 83 ; and by 

 Walker (46), p. 160. 



