58 DR. H. J. HANSEN ON CRUSTAOEANS [Jan. 20, 
to be 8. japonicus and labelled Stat. 158. It is not mentioned: 
in Bate’s work. On a closer examination it turned out to be a 
specimen of Petalidiwm, and it has been described above. 
SERG. KROYERI Bate, p. 388, pl. Ixx. figs. 3, 4. (Plate XI. 
figs. 5a, 56.) 
Bate established this species on one large specimen, from 
Stat. 170, lat. 29° 55'S., long. 178° 14’ W., 520 fathoms. The 
specimen is very mutilated; a new description with two figures 
(Pl. XI. figs. 5a, 5 6) is here given. 
The rostrum (fig. 5 a) is rather low, rounded above, with the 
upper front angle blunt and slightly projecting and the anterior 
margin concave; but it could not be settled whether the upper 
margin of the rostrum had been damaged or presented its natural 
shape. Supra-ocular and hepatic spines are wanting, the gastro- 
hepatic groove is strongly developed. The eyes (fig. 56) are 
large, somewhat depressed; seen from above nearly as long as 
broad, slightly longer than the outer, and decidedly, but not 
much, longer than the inner mar ein of ‘the stalk, On the upper 
side of the stalk, close behind the eye and near the inner margin, 
is seen a rather small, subeylindrical, distally rounded process, 
directed obliquely forwards, inwards, and upwards; it seems to 
terminate in an organ. In the antenn. ped. the basal joint is 
broad, with the outer margin a little shorter than that of the 
two following joints together, but only two-thirds as long as the 
inner margin of the same joints; the second joint is stout, with 
the inner margin scarcely three times longer than the breadth; 
the third joint is stout, but yet considerably more slender than 
the second, scarcely three times longer than broad, somewhat 
longer than the outer and somewhat shorter than the inner 
margin of the second joint. The squama of the antennz seems 
to be nearly as broad at the distal end as in S. japonicus Bate, 
but it could not be seen whether the outer spine is developed. 
Mxp.’ and all tr unk- legs are wanting. The pleurobranchial 
lamella above mxp.” is small. The branchiz above trl.’ have been 
broken off on both sides; of the branchiz above trl.*, 6r. is nearly 
three-fourths as long as 67. above trl.*, while br." is slightly more 
than half as long as the same. The ext. br. of urp. with the 
apical part is wanting ; the branch seems to have been at most four 
times longer than broad, perhaps without marginal spine, and with 
the haired part of the margin unusually short.—Length 60 mm. 
The species is allied to S. prehensilis Bate and S. robustus 
Smith, but it is easily distinguished from all species hitherto 
discovered by the process on the eye-stalks, 
SerG. artanticus H. Milne-Edw., Bate, p. 389, pls. Ixvili. & 
Ixix, 
In my earlier paper I wrote (p. 947) that “‘ I am not convinced 
that all the specimens from the localities enumerated (p. 390) 
belong to S. atlanticus,” and I produced some grounds for that 
