From the Annals and Magazine op Natural History, 

 Ser. 8, Vol. iv., July 1909. 



7 



On new and rare Crustacea from Scottish Waters. 

 By Thomas Scott, LL.D., F.L.S. 



[Plates II. & III.] 



The Crustacea described here were obtained in collections 

 made by the fishery steamer ' Groldseeker ' while carrying on 

 work in the North Sea and adjacent waters under the direc- 

 tion of Professor d'Arcy W. Thompson, C.B., F.L.S. , the 

 representative for Scotland on the International Committee. 

 I am indebted to Professor Thompson for permission to 

 publish these notes. 



Amphipoda. 



Genus Eusirogenes, Stebbing, 1904. 



Eustrogenes propinquus, sp. n. (PI. II. figs. 1-9.) 



The genus Eusirogenes was established by the Rev. T. R. R. 

 Stebbing in the year 1904 for an Arnphipod which, while it 

 agreed generally with Eusirus, Kroyer. differed in some 

 important points, and among others in the structure of the 

 gnathopoda*. 



The form recorded here, of which only a damaged specimen 

 was obtained, agrees very well with the characters by which 



* T. R. R. Stebbing, « On Biscayan Plankton," Trans. Linn. Soc. 

 ser. 2, Zool. vol. x. p. 15, pi. 2 a (Nov. 1904). 



