38 COLEOPTERA 



77. H. angUStula, Chaud. ; Bull. Moscow, 1865, ii., 101, 

 Nigra, modice nitida, antennis extus palpisque apice rufopiceis. Caput 

 mediocre quadratum, laeve, fronte obsolete bi-impressa, genis vix inflatis. 

 oculis convexis, postice, vix ample dentibus. Thorax capite dimidio 

 latior, latitudine vix brevior, quadratus, postice subangustatus, apice 

 mediaque basi emarginatis, angulis anticis haud productis, rotundatis, 

 latioribus leviter rotundatis, pone medium leviter sinuatis angulis posticis 

 rectis, summo apice acutiusculo, basi utrinque recte truncata; supra 

 sublaevis, convexior intra utrumque apicem obsolete transversim impres- 

 sus, linea media profunda, antice subabbreviata, striisque utrinque 

 binis, interiore duplo longiore, profunde impressis, spatiis inter easdem 

 marginemque externum convexis, hoc tenuiter aequaliterque reflexo, 

 angusto. Elytra thorace vix latiora, latitudine duplo longiora, basi 

 truncata et marginata humeris subrectis, obtuse dentatis, lateribus 

 medio parallelis, pone humeros sinumque posticum profundum subro- 

 tundatis, apice ipso obtuso ; dorso deplanata, ad latera abruptius, ad 

 apicem sensim declivia, striis, obsolete punctulatis, postice per paria 

 confluentibus, septima mox pone medium desinente, ibique ramulo 

 obliquo ascendente cum octava connexa, interstitiis modice convexis, 

 laevibus, quarto apice subcatenulato, septimo apice latiore elevato, nono 

 punctis pluribus grossis, medio distantibus impresso, margine" laterali 

 tenui. 



Corpus laeve, episternis omnibus punctulatis ; femora postica maris 

 subtus medio unidentata. 

 Long., 12^-14 m. 

 Akaroa. 

 Syn. Omaseus elongatus, Blanch., Voy. au Pole Sud, 28. 



78. H. sylvatica, Chaud.; Bull. Moscow, 1865, ii., 102. Praece- 

 dente (angustula) multo minor, brevior planiorque. Nigra subopaca, 

 subtus nitidior, pedibus antennisque basi nigropiceis, his extus rufescen- 

 tibus, palpis rufis. Caput paulo minus, thorax postice minime summo 

 vero apice subangustato, lateribus medio tantum subrotundatis, postice 

 vix sinuatis, minus convexus, linea media magis tenui, spatiis inter 

 striolas basales marginemque deplanatis ; elytra breviora minus paral- 

 lela, pone medium sensim attenuata ; supra multo planiora, striis dorso 

 multo minus impressis, interstitiis planissimis, subtilissime reticulatis, 

 summo apice elevatis, nono angustissimis, basi f apiceque grosse pluri- 

 punctato, striis binis externis profundis, nona postice duplicata. Corpus 

 totum laeve ; femora haud dentata. 



Long., 9 m. 



Akaroa. 



Syn. Omaseus sylvaticus, Blanch. 



79- H. SUbaenea, Guerin; Voy. Er. Terrains., p. 4. Slightly 

 bronzed black above, deep black beneath ; body elongated, nearly 

 parallel ; head smooth, with two short, slight impressions in front ; 

 thorax nearly as long as wide, somewhat cordate, smooth, margined, 

 with a longitudinal median groove, slightly widened behind, and not 



