230 Dr. AInlcoliu (\imn(.n o)i 



rsKiMxiiM.ArusA, n. mMi. 



LahiiiMi lransv(>rs(\ thr sido and ivnl(M-i(ir niiglos inuiuled, Iho 

 aiiU-rior inarijiii very slight ly omaryinato. IMaiuliblos not vory 

 stinit. lightly ciirvod and poiuttHl at tho apox, the right cronulate, 

 th(> loft sini])lo. Maxillary pnlpi 4-jointod, the 1st joint small. 

 tlu» l?nd narrowed at the base, moderately enlargcnl towards the 

 apex, t he .'>rd abont as long and as stout as the 2nd, the 4th subulate, 

 about lialf as long as the I^rd. Inner lobe of the maxilla narrow 

 and pointed, tl>e inner nmrgiji strongly i>eetinate; outer lobe 

 broacier than the inner, the apex eiliate. Tongue very narrow and 

 elongate, extending beyond the level of the a]iex of the 1st joint 

 of the labial jialju and bitid at the extriMuity. Raiaglossae distinet. 

 eiliate. extending to the level of the middle of the 1st joint of the 

 labial jialpi. Labial ]wlpi 2-jointed, the 1st joint elongate, eylin- 

 drieal, the 2i\d eylindrieal. fully as long but not so stout as the 1st. 

 Cular sutures ilistant, slightly divergent, posteriorly. Tem]iles 

 bord(Mi>d b(>low. rrosternuiu short, obtusely angUni posterioily 

 in the middh^ line; nu\sosternal proeess narrow and ]wintiHl, extend- 

 ing (Uie-half the length of tlie intermediate eoxae. whieh are narrowly 

 sejiarated. Tarsal fornuila 4, 4, 5. the first pair witl\ tiie tust tluee 

 joints short and snbetpial. the 4tii joint longer tiian the tliree pre- 

 eeding togetlier; the middle pair similarly built, but with the 

 individual joints longer; the iiosterior pair with the 1st joint short, 

 the 2nd, ;>rd and 4th longer, sube<iual, the r)th rather longer than the 

 two preeeding together. Tibiae eiliate. Klytra distinetly sinuate 

 internal to the jiostero-external angles. The speeies on which the 

 geiuis is foiuuliMl has a faeies very similar to Placiistt, but in tlie 

 slrueture of tlie moutli-parts apinoaehes J'>i(Stotn. 



SS. Pseudoplacusa rullventrls, ii. sp. 



Unto t(>stae(Mius. mochMately shining, the ln>ad and elytra piteliy- 

 blaek. Moiith-parts and legs testneeoxis. Length 21 nnu. 



Head transverse, subpentagonal. rather large, enseoiieod ii\ \\\c 

 thorax and leaving but little of the temples visible, the eyes large 

 and moderately prominent; very linely and elosely pinietured 

 and iinely jiubeseent. Ai\tennae riHldish-testaeeous. the 2nd and 

 :?rd joints of ecpial length, a little shorter than the 1st. the 4th and 

 ,')th about as long as broii^. the (Uh to the KMh transverse gradually 

 inereasing in breadth, the penultimate seareely twiee as broad as 

 long, the 11th elongate ]nMnted. longer than the two preeetling 

 togethei-. Thorax transverse, half as broad again as loi\g. widest 

 at (lit> middle, from tlienee rounded and narniwinl both anteriorly 



