Scarabseidae in the Briltsh Museum. 



59 



thorax is simply angulatcd forwards in tlie middle, without 

 any distinct tubercle and without the smooth impressions in 

 front. 



Megatharsis, gen. nov. 



General characters of Bolhites. Mandibles very delicate, 

 fringed with hair at the apex. Maxillary ])alpi with the 

 apical joint veiy long, slightly fusiform Mentum not emar- 

 g-inate at the apex. Labial palpi with the first joint rather 

 thick and pear-shaped ; the apical joints are wanting (? owing 

 to accident). Antennte nine-jointed, the first joint of the 



1. Labrum. 2. Labium with one palpus removed. 3. Mandible, 

 4. Maxilla. 5. Antenna. 6. Hind leg. 



club excavated so as to receive the second and third joints. 

 Head somewhat semicircular. Thorax transverse, with the 

 sides emarginate behind the middle, fringed with hair at the 

 sides and base. Scutellum invisible. Elytra short, with 

 seven striae. Under flanks of the pronotum without transverse 

 carina. Prosternum with a minute acute tubercle in the 

 middle of the front margin *. Metasternum as in P/ianceiis, 

 but very flat, obliquely narrowed in front. The front tibite 

 with four very oblique teeth (including the apical one) ; tarsi 

 absent. Intermediate legs with the coxaj very widely sepa- 

 rated, parallel ; the tibias rather short, gradually and very 

 much enlarged towards the apex, with two spurs, the longer 



* Mr, Nevinson has just called my attention to this spine in certain 

 Phanm, or I should have overlooked it here. 



