On a neiv Genus of Heteromerous Coleoptera. 367 



165. XylopJiaga dorsalis, Turton. 



Wood dredged at Trondhjem which had been bored by 

 this species. 



[To be contiuued.] 



EXPLANATION OF PLATE XVL 



Fig. L Ukko Turtoni, var. brevis, Norman, nat. size. 



Fig. 2. Ukho Turtoni, var. tumida, Norman, nat. size ; the lip much 



broken below. 

 Fig. 3. Ukko .schcmtaricus, Middendorfi", nat. size ; specimen from the 



North Pacific. 

 Fig. 4. Sipho gracilis, var. glaber, Verliruzen, dwarf form, nat. size. 

 Fig. 4 a. Apical whorls of the last, to show the rudely coiled nucleus. 

 Fig. 5. Sipho propinquus, Alder, var. from the Kattegat, nat. size, to 



show its close a])proximation in form to tig'. 4. 

 Fig. 5 a. Apical whorls of the last, to show the regularly coiled nucleus. 



LIV. — On a new Genus of Heteromerous Goleoptera belong ing 

 to the Family Lagriidse, from Tasmania. By G. C. 

 Champion, F.Z.S. 



SiRRHAS, gen. nov. 



Mentum small, strongly transverse, trapezoidal, almost 

 smooth, flat, the maxillas exposed at the base; mandibles 

 bifid at the tip ; labrum strongly transverse, prominent, sepa- 

 rated from the epistoma by a coriaceous space ; head rather 

 large, moderately broad, exserted, very little narrowed behind, 

 the epistoma very broad, short, depressed, and confounded 

 with the front, the antennary orbits short and feebly raised, 

 not projecting over the points of insertion of the antcnnaB ; the 

 eyes large, moderately prominent, widely separated, somewhat 

 distant from the base of the head ; apical joint of the maxil- 

 lary palpi stout, triangular, the outer side rounded and a 

 little longer than the inner or apical sides ; antenna very 

 elongate, slender (the first joint excepted), joints 1 to 8 

 sparsely punctured, shining, 9 to 11 densely punctured, 

 opaque, 2 to 8 cylindrical, each abruptly thickened at its 

 distal end, 2 short, '6 exceedingly long, nearly four times as long 

 as 2, 4 about half the length of 3, 4 to 11 subequal in length, 

 9 to 11 a little stouter than 8 and more gradually thickened, 

 11 subacuminatc at the tip; prothorax transversely cordate, 

 much wider than the head, expanded and sharply margined 



