AMPHIPODA OF THE SCOTTISH NATIONAL ANTARCTIC EXPEDITION. 197 



earlier described L. trailUi G. M. Thomson, as the small difterences given in the 

 descriptions were found not to hold for all specimens or to be based on misconceptions. 

 It is not unlikely that this species will also prove to be only a form of L. spinicarpa 

 Abildg. 



Genus Amphilochus Bate, 18G2. 



Amphilochus squamosus G. M. Thomson. 



Amphilochus squamnsus G. ISI. Thomson, 1880, p. 4, pi. i. fig. 4. 

 „ marionis Stebbing, 1888, p. 743, pi. x.'f.Kviii. 



1906, p. 151 and p. 723. 

 Walker, 1901, p. 300. 



South Orkneys, Scotia Bay, Station 325. Several specimens, all of small size, 

 about 3 mm. long. 

 These specimens certainly agree with Stebbing's species described from Marion 

 Island, but they are also the same as the species previously described by Thomson 

 under the name Amphilochus squamosus, from New Zealand. This latter species, which 

 has been accidentally omitted from the list in Das Tierreich Amiihipoda, is fairly 

 common in New Zealand, and I have long noted that it is very closely allied to the 

 Challenger species, and the present opportunity of examining specimens from another 

 locality that undoubtedly belong to Stebbing's species confirms this. The New Zealand 

 specimens are usually covered with dark, reddish-black spots, and some of the South 

 Orkneys specimens still show signs of similar coloration. Mr Thomson described a small 

 accessory Hagellum on the first antenna, and, though this does not appear to have been 

 noted by others in this genus, which is described in Das Tierreich as being " without 

 accessory flagellum," it is undoubtedly present also in the South Orkneys specimens. 

 Walker has pointed out that A. neapolitamis Delia Valle, 1893, is perhaps the same 

 as A. marionis ; in describing his species Stebbing originally compared it to A. 

 tentdmanus Boeck. It will probably be found to be either the same as or very closely 

 allied to one of the northern .species. Mr Thomson's name has priority over all except 

 A. manudens Bate and A tenuimanus Boeck. 



Genus Metopoides Delia Valle, 1893. 



Metopoicles sarsii (Pfetfer). (PI. I. fig. 10.) 



Metopa sarsii Pfeffer, 1888, p. 84, pi. ii. figs. 3, 8, and pi. iii. fig. 2. 

 Metopoides walkevi Chevreu.x, 1906a, p. 37, fig. 1 ; 1906d, p. 28, figs. 15-17. 



South Orkneys, Scotia Bay, Station 325 ; shore pools ; temperature 30°-32°. 

 6th December 1903. Eight specimens, the largest measuring 7 mm. in 

 length in the usual position with the pleon folded under the person. 

 In the collection of Amphipoda in the Hamburg Museum there is a single specimen 



(ROY. SOC. EDIN. TKANS., VOL. XLVIII., 479.) 



