16 G. O. SARS. PRELIMINARY NOTICES ON THE SCHIZOPODA. 



the telson, inner lamella, a little shorter than the outer. Length: 

 48 mm. 



Hal. Antarctic Ocean, together with the last species (Stat. 

 154); surface. A single specimen. male. 



18. Euphausia antar ctica n. sp. 



Form of body rather narrow. Carapax without any lateral 

 denticle. anterior part distinctly keeled above, rostrum forming a 

 broad triangular plate, obtecting the bases of the eyes above. 

 Postabdominal segments with rather small ronnded epimera; last 

 segméht somewhat longer than the preceeding. præanal spine obso- 

 lete. Eyes rather large, claviform. Antennnlar pedimcle relatively 

 narrow. without any dorsal lobe, basal joint much flattened, outer 

 margin setose, and produced at the end in a short spine. Antenna! 

 scale surpassing the 2nd joint of the antennnlar peduncle. oblong 

 or linear, apex obtusel}" trnncated, the denticle on the outer edge 

 small but distiuct. Legs rather elongated, and densely ciliated. 

 Telsun evenly tapering posteriorly. with three pairs of dorsal 

 denticles. subapical spines. smooth. Uropods much shorter than the 

 telson. inner lamella very slightly surpassing the outer. Length: 

 17 mm. 



Hal. Antarctic ocean, at the ice barrier (Stat. 153); surface. 

 Numerous specimens. 



ly. Euphausia mucronata n. sp. 



Form of body almost as in E. splendens. Carapax with a 

 single lateral denticle about the middle of the inferior margin; 

 a very marked rounded crest above, on the anterior part: rostrum 

 short. Postabdominal segments with well developed rounded epi- 

 mera; third segment armed above. in the middle of the posterior 

 margin, with a strong mucroniform spine, pointing backward. Last 

 segment somewhat longer than the preceeding; præanal spine ob- 

 solete. Eyes rather large, pyriform. Antennnlar peduncle mode- 

 rate, with a very small, bifid lobe, at the end of the basal joint. 

 Antennal scale slightly surpassing the 2nd joint of the antennular 



