730 



CRUSTACEA. 



Oniscus pubescens. 



Corpus pubescens, subellipticum. Abdomen thorace subito valde angus- 

 tius, breve, latitudine non longius, segmento ultimo breviter transverso, 

 et postice non producto. Caput transversum, segmento proximo paulo 

 brevius et angustius. Segmenta thoracis subcequa, idtimum utrinque 

 posticd acutum sed vix productum. Styli caudales parvuli, abdomine 

 breviores, ramis valde incequis, tenuissimis, acutis. Antennce subtiliter 

 hirsutoe. 



Body pubescent, subelliptic. Abdomen abruptly much narrower than 

 thorax, short, not longer than broad, last segment very short trans- 

 verse, and not produced backward. Head transverse, a little 

 shorter and narrower than next segment. Thoracic segments 

 nearly equal in length, last on either side acute, but hardly pro- 

 longed. Caudal stylets quite small, shorter than abdomen, branches 

 very unequal, very slender, acute. Antennae finely hirsute. 



Plate 48, fig. 2 a, animal, enlarged; b, antennae; c, sixth pair of 

 legs j d, stylets. 



Under rotten wood, in forests, ten miles from the Bay of Islands, 

 New Zealand, up the Whykare River. 



Length, three lines. Colour, brown and brownish white, with irre- 

 gular bands and spots of deeper brown. The articulation between 

 the head and first thoracic segment is nearly straight. The abdomen 

 is shorter than breadth of thorax, and hardly longer than its own 

 breadth at base. Antennae eight-jointed; third and fourth joints 

 together about equalling the fifth; so also, the three last together 

 exclusive of the terminal spine. Legs minutely hirsute or pubescent. 

 Tarsus scarcely longer than preceding joint. Inner branch of stylet 

 scarcely half the length of the outer ; both minutely pubescent. 



