28 G. O. SAHS PRELIMIXARY XOTICES OX THE SCHIZOPODA. 



enormously developed, irrégularly globose, the cornea contracted 

 in the middle. Antenual scale elongated. alm ost reaching the tip 

 of the åntennnlar pedunele, very narrow, linear, apex truncated. 

 the denticle on the onter edge distinet. 2nd pair of legs very 

 much elongated and. when fully extended. as long as the w hole body, 

 third joint widely surpassing the tip of the åntennnlar pedunele, 

 penultimate joint somewhat shorter than the preceeding. Telson 

 rather elongated and narrow. apex acuminate; subapical spiues 

 smooth. Inner lamella of the uropods lunger than the outer and 

 surpassing the tip of the telson. Length: 26 mm. 



Rab. South Atlantic (Stat, 332 & 333). surface. Rather 

 plentifnl together with Thysanoéssa gregaria. 



32. Nematoscelis mierops n. sp. 



Form of body somewhat more slender than in the last species. 

 Carapax without any lateral denticle. very slightly keeled above 

 in the auterior part ; rostrum straight, acute, broad at the base. 

 None of the postabdominal segments keeled above. Last segment 

 as in N. megalops. Eyes much smaller than in that species. the 

 cornea narrow in the upper part. Autennal scale rather broader 

 than in N. megalops. and not reaching the tip of the antennular 

 pedunele, apex obtusely truncated. the denticle on the outer edge 

 small, but distinet. 2nd pair of legs. when fully extended. shorter 

 than the bod}', third joint surpassing the tip of the antennular 

 pedunele. penultimate joint longer than the preceeding. Telson 

 almost as in N. megalops; the subapical spines however somewhat 

 shorter. Inner lamella of the uropods longer than the outer. but 

 scarcely reaching the tip of the telson. Length: 16 mm. 



Hab. North Atlantic (29 April 1876). 2 specimens. North 

 Pacific "West of Sandwick isl. 1 specimen with ovisacs (mounted). 



33. Nematoscelis tenella n. sp. 



Form of body very slender and narrow. Carapax with a small 

 lateral denticle at the posterior part of the inferior margin: auterior 

 part distinctly keeled above; rostrum rather produced. straight, 



