N I S C I D E A. 739 



rower than thorax, the first abdominal segment being about two-thirds 

 as broad as the last thoracic. Caudal stylets slender, the base as 

 long as the abdomen, a little incurved; setae about equal, fully as long 

 as whole body (the stylets excluded). Antennae as long as the body; 

 last basal joint nearly twice as long as preceding ; flagellum about 

 twenty-three-jointed. 



Lygia novi-zealandle. 



Latior, elliptica, dorso scabriculo. Abdomen thorace non subito angus- 

 tius, segmento postico longiore, posticd paulo arcuato, angulis breviter 

 acutis. Styli caudales basi fere abdominis longitudine, ramis scabri- 

 culis, multo incequis, thorace non longioribus. Antennae corporis 

 longitudine, flagello 18-21-articulato, scabriado. 



Elliptical, broader than preceding species. Surface of thorax and 

 abdomen covered with very short hairs. Abdomen not suddenly 

 narrower than thorax; last segment arcuate behind, and angles 

 short acute. Base of caudal stylets nearly as long as abdomen ; 

 branches quite unequal, scabrous, the longer hardly as long as 

 thorax. Antennae as long as the body, finely scabrous ; flagellum 

 18-21-jointed. 



Plate 49, fig. 2 a, animal, enlarged ; b, view of flagellum, more 

 enlarged; c, outline of extremity of abdomen ; d, part of larger seta of 

 stylet. 



Along shores of Bay of Islands, New Zealand, under kelp, &c. 



Length, six lines; width of the head, about half that of the thorax; 

 longer caudal seta, stouter than the other; last joint of base of an- 

 tennae, about four-fifths the preceding; penult joint of all the legs, 

 excepting anterior pair, very slender and styliform ; in fourth pair, 

 about five-fourths the length of the fourth joint; third, fourth, and fifth 

 segments of the abdomen much prolonged backward on either side, 

 the prolonged sides of the penult segment reaching nearly as far as 

 the angles of the last segment. 



