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
BioStor
