THE ANNALS 



MAGAZINE OF NATUEAL HISTOEY. 



[SIXTH SERIES.] 

 No. 90. JUNE 1895. 



LV. — On some new and rare Crustacea from Scotland. By 

 Thomas Scott, F.L.S., Naturalist to the Fishery Board 

 for Scotland, and Andeew Scott, Fisheries Assistant, 

 University College, Liverpool. 



[Plates XVI. & XVII.] 



Attheyella MacAndrewce, sp. n. 

 (PI. XVI. figs. 1-6.) 



Description of the Species. — Female. Length '58 millim. 

 (xB" of an inch). In general appearance this species somewhat 

 resembles Attheyella pygmcea^ but is rather smaller and less 

 hirsute. Antennules moderately stout and eight-jointed, the 

 end-joint being distinctly more elongate than any of the others ; 

 the first four joints are also stouter than the last four (fig. 2). 

 The proportional lengths of the various joints are nearly as 

 folio vv^s : — 



Proportional lengths of the joints. . 9. 9. 9. 6. 6. 7. 6. 11 

 Number of the joints 12 3 4~5 ~"6~~7 8 ' 



The secondary branches of the antennas are two-jointed and 

 the end-joint is only about half the length of the other. The 

 second joint of the posterior foot-jaws has the inner margin 

 fringed with short stout setas arranged in a pectinate manner ; 

 there is also a short stout seta on the inner distal angle of the 

 first joint, which is plumose on one side (fig. 3). In the first 

 pair of swimming-feet the end-joint of tlie two-jointed inner 

 Ann. & Mag. N. Hist. Ser, 6. Vol. xv. 32 



