114 Prof. F. W. Hutton on new Species 



Merragata hehroideSj n. sp*. 



M. nigra, opaea, pilis brevibus numerosis suberectis pallidis vestita ; 

 capite(vitta transversal! ante oculos excepta), pronoti disco macula 

 rotundata utrinque, et margine postico ad medium, corii venis 

 cubitali radialique rufo-ferrugineis ; antennis pedibusque brunneo- 

 luteis, illarum articulo ultimo, borum tarsis ad apiceui fusco-brun- 

 neis ; clave fere toto, corioque inter venas duas albis ; clavi mar- 

 gine apicali male definito membranaquc fuscis, hac maculis -1 

 albidis ornata. 



Long. 2 m. m. 



Corixidse. 



Gorixa Blackhurni^ ii. sp. 



C. angusta, nitida, baud evidenter rastrata, ocbrolcuca nigro- 

 notata, pilis adpressis cum setulis brevissimis erectis intermixtis 

 vestita ; pronoto lineis 11 transversalibus, bemelytris lineolis 

 anguloso-undulatis, clave ad basin apicemque lineis parallelis 

 subintegris, nigris ; corii limbo exteriere interrupte ochreleuce ; 

 membranse sutura vix discreta, margine angustissime ochroleuee ; 

 corii area marginal! pallida, ad basin nigricante, ad basin apicem- 

 que externe nigro-marginata, apice imo lineolis transversis nigris 

 notato ; capite bi'unneo, vertice angulato ; sterno ad medium 

 ventreque subfuscis ; abdominis dorso infuscato basi apieeque 

 brunneo-nigris, connexivo pallido ; tarsis intermediis ad ^picem 

 et posticis articulo ultimo fusco-brunueis. 



S palis oblique obovatis breviter acuminatis, tibiis anticis superue 

 triangulariter dilatatis ; fovea frontali obovata oculos vix supe- 

 rante. 



J long. 4 m. m. 



C. jyygincece Fieb. affinis. 



XVI. — Descriptions of 7ieio Species of Neu'-Zealand Myrio- 

 poda. By F. W. Hutton, Professor of Natural Science 

 in the University of Otago. 



Henicops impressus^ sp. nov. 



Head broadly ovate, narrowed towards the front, with an 

 elevated margin behind, and an impressed curved transverse 

 line, convex backward, on the top before the eyes ; space 

 between the antennte concave. Dental lamina with eight 

 acute teeth. Antennaj tomentose, with 34-36 joints. Seg- 

 ments 15 (without the head), alternately large and small; 

 but the small segment between the 7th and 8th and between 



