11 



tVom Taną, in the New Hebrides, and is one of those fine insects for 

 which science is indebted to the researches of Mr. John Macgillivray, 

 the late able Naturalist of H. M. surveying ship ' Herald.' The 

 sternum does not notably differ from that of Psalidognathus, but it 



diflFers in having very short palpi, much shorter antemi8e,the third joint 

 the longest, the eight following about equal in length. Head, exclu- 

 sive of the jaws, rather longer than wide, behind the eyes somewhat 

 narrowed and without projection. Eyes prominent, transTcrsely 

 kidney-shaped, very slightly notched in front. Thorax wider than 

 long, but much longer than in Psalidognathus and Prionacalus, with 

 three broadish spine-like projeetions on eaeh side, one in front, one 

 about the middle, and one before the hinder angle. Scutelluni small 

 and vvide, covering the abdomen ; in the malė, considerably sur- 

 passjng it. Wingless ; elytra united on the suture, contracted some- 



