On n new Colvopteroiifi Insecf from lioiint// fshind. 27.'> 



EXPLANATION OF PLATE VII. 



Fiy, 1. Herpi'le Fuller!, natural sizo. 



/V//. 1 a. Head seou from above, enlar;red. 



Fif/. 1 b. Head .'eon from the side, enlarged. 



Fkj. I c. Two rin;,'s of the body, eularged. 



Fi(f. 1 d. Posterior end of the body, ventral view, enlarged. 



XXXI X. — Description of a new Coleopterona Insect from 

 Bounty Island. By Capt. ThoS. BroUX, F.E.S. IVilh 

 Note hy J. J. Walker, Esq., F.E.S. 



[The Bounty Islands are a small group of granitic islets and 

 rocks (about twenty in number) occupying a space of about 

 3 miles by 2, tlie highest summit being 290 feet above the 

 sea. They are about 490 miles to the eastward of the south 

 extreme of New Zealand, in the lat. 47° 44' S., long. 171;° E. 

 All the islets are entirely destitute of fresh water or land 

 vegetation of any sort, but are frequented by myriads of 

 penguins and other sea-birds. Capt. F. W. llutton, F.R.S., 

 has described (Trans. N. Z. Inst, xxvii. p. 174, 1894) a 

 large and conspicuous Stenopelmatid cricket, Ischyroplectron 

 isolatum, from the Bounty Islands, and suggests that it may 

 feed on the dead seaweed. — J. J. Walker.] 



Group Hydrophilidse. 

 TiiOMOSLS, gen. nov. 



Body convex, oviform. AntenncB 9-articulate, their basal 

 joint as long as the following five combined, gradually in- 

 crassate towards the extremity; second cylindric, barely 

 half the length of the first J third longer than broad; fourth 

 and fifth short; sixth also short, but distinctly broader than 

 the preceding one ; club three-jointed, oblong-oval, pubescent, 

 the intermediate joint rather shorter than the others. Lahrum 

 porrect, medially incurved. Epistome broadly emarginate. 

 Eyes flat, smooth. Mentum broad, flat, not transverse. 

 Femora pur;ctate, the intermediate distinctly pubescent; the 

 posterior with minute almost indistinguishable pubescence, 

 their punctuation closer and ttner at the base than beyond it. 

 Tibia; stout ; the anterior with two small denticles on the 

 outside near the extremity and two or three iiiglier up ; they 

 are armed at the apex with two stout unequal spurs; the 

 other pairs are bicalcarate and bear coarse cilice. Tarsi 



