268 Dr. Malc(jlin Cameron on 



8th to the 10th tiansveise, the penultimate fully half as broad 

 again as long, the 11th elongate, jjointed longer than the two pre- 

 ceding together. Tliorax transveise, widest behind the anterior 

 angles, the sides rounded and narrowed anteriorly, more strongly 

 contracted posteriorly to the obtuse posterior angles, finely bordered, 

 very finely and moderately closely punctured and pubescent. 

 Elytra a little longer and bioader than the thorax, transverse, very 

 finely and moderately closely punctured and pubescent. Abdomen 

 nearly parallel, very slightly narrowed posteriorly, veiy finely and 

 rather sparingly punctured and pubescent, the seventh segment 

 almost impunctate. Sexual difierences unknown. 



Hab. Maiidiii, in fungus. 



MiMACROTONA, n. gen. 



Labrum corneous, transverse, truncate, the anterior angles 

 rounded. Mandibles rather short and stout, curved, pointed, the 

 right with a small tooth at the middle of the inner margin which 

 in front is obscuiely crenulate. Maxillary palpi 4-jointed, the 

 1st joint small, the 2nd elongate, sUghtly thickened distally, the 

 3rd as long as, but a little stouter than the 2nd, the 4th subulate 

 not half the length of the 3rd. Inner lobe of the maxilla irather 

 broad, the ajjcx pointed, the inner margin furnished with moder- 

 ately long and rather stout pectinations; outer lobe with apex 

 spinose. Toilgue rather short and broad, not extending to the 

 level of the apex of the 1st joint of the labial palpi, split to the 

 middle into two diverging teat-shajjcd lobes. Paraglossae distinct, 

 ciliate, not extending much beyond the base of the 1st joint of the 

 labial palpi. Labial palpi 2-jointed, the 1st joint rather stout, 

 moderately long, the 2nd much narrower and a little shorter than 

 the 1st, the apex rounded. Gular sutures distant, divergent pos- 

 teriorly. Temples bordered below. Prosternum obtusely angled 

 posteriorly, keeled; mesosternal process narrow, sharply pointed 

 extending fully two-thirds the length of the coxae, which are 

 narrowly separated; metasternal process pointed, reaching to the 

 mesosternal. Tarsal formula 4, 5, 5; the anterior pair with the 

 first three joints short and subequal, the 4th longer than the three 

 preceding together; middle pair with the first four joints short and 

 subequal, but longer than those of the front paii', the 5th as long 

 as the three preceding together; posterior pair with the 1st joint 

 a little longer than the 2nd, the 2nd, 3rd and 4th gradually decreas- 

 ing in length, the 5th a little longer than the two preceding together. 

 Middle and i»sterior tibiae without distinct setae. Elytra sinuate. 

 Facies of Acrotona. 



