BY W. MACLEAY, JUN., ESQ. 211 



postice bituberculato, thorace crebre subfciliter tubercnlato, 

 elytris striato-punctatis interstitiis subelevatis alternis 

 elevatioribus omnibus crebre subtiliter tuberculatis apice 

 subremote mucronatis. 

 Mas : forfice anali longissimo valido subarcuato laminis in- 

 ternis nullis. 



Long. 12 lin., lat. 4| lin. 



Hab. Victoria River, Mitchell's Expedition. 



The anal forceps is longer in this species than in any I have 

 seen, while the knife-like plate on its inner margin is wanting, 

 and in its place there is a fringe of yellow hair. I have not seen 

 the female. 



17. — PSALIDURA HOWITTII. 



Oblongo-elliptica nigra nigro-setosa parce squamosa albido- 

 maculata, capite postice albido-vittata, thorace subtiliter 

 tuberculato, elytris rude seriatim rugoso-punctatis inter- 

 stitiis subcostatis granulatis setigeris alternis elevatioribus 

 apice breviter mucronatis. 

 Mas : forfice anali valido brevi. 



Femina : segmento anali medio leviter impresso lateraliter 

 subexcavato. 



Long. 91 lin., lat. 3| lin. 

 Hab. Melbourne. 



The scales on this insect are for the most part of a dark hue, 

 but on the bead there are vittae of silvery scales, and on the 

 elytra scales of the same colour are disposed in small patches 

 giving them a spotted appearance. The setae are all black. 

 As in P. mirahunda the knife-like process on each branch of 

 the forceps of the male is prolonged downwards. 



18. — PSALIDURA SUBVITTATA. 



Oblongo-elliptica nigra parce cinereo-squamosa, rostro medio 

 glabro subcarinato utrinque subsulcato postice medio lateri- 

 busque profunde impresso, thorace crebre tuberculato 

 tuberculis parvis hemisphtericis nigro-setosis antice trans- 



