Lamellicorn Coleoptera of Japan. 105 
of the thorax are not angulated as they are in H. sinensis, 
and the punctuation is somewhat finer; the front margin 
is very much less emarginate, and consequently the angles 
are not prominent. ‘The punctuation of the elytra is 
equal all over, somewhat stronger than in H. sinensis. 
Both species have a smooth line near the lateral margin, 
but have no raised lines on the disk. 
Hab.—Kawachi. 
Holotrichia transversa, Motsch. 
Hi, transversa, Motsch. Etud. Ent. 1860, p. 15. 
“Tantum Hol. serricolli, Mots. E. EK. 1853, 46 ( Ancyl.), 
sed fronte convexiore, nitidiore, leeviore, sparsim grosso- 
punctato, carinula transversa, postice nulla, clypeo inter 
antennas transversim impresso; thorace valde trans- 
verso, sparsim grosso-punctato, lateribus arcuatis, medio 
dilatatis, antice crenatis; elytris basi thorace paulo an- 
gustioribus, postice dilatatis, sparsim punctatis, sutura 
subelevata, utrinque nervis duobus obliquis vix distinctis, 
abdomine subinflato pygidioque sparsim punctato, corpore 
subtus vix piloso.” 
“ Long. 44 lin. ; lat. elytr. post. 2 lin.” 
Hab.—Japan. 
POLLAPLONYX, gen. nov. 
Corpus elongatum. Labrum fortiter triangulariter 
excisum. Palpi maxillari prelongi; articulo secundo 
elongato; tertio brevi; apicali in ¢ securiformi, in 2 pre- 
cedenti triplo longiori, subinflato, apice subtruncato. An- 
tennz articulo primo elongato, secundo dimidio brevi, 
3, 4 et 5 paulo longioribus sub-zequalibus, 4 et 5 fere 
conjunctis, 6 et 7 transversis, clava triarticulata elongata 
(é) vel ovali (?). Tuibiis anticis maris vix bidentatis, 
foeminz apice bidentatis. Unguibus basi dentatis, apice 
fissis. 
This genus is allied to Atys. 
Pollaplonyx flavidus, sp. nov. (Pl. III. fig. 6.) 
$. Elongatus, depressus, flavus, nitidus. Fronte obsolete 
tri-impressa discrete fortiter punctata, clypeo fere semi- 
circulari, discrete fortiter punctato, antice acute inciso. 
Thorace transverso, discrete fortiter punctato, longitudine 
2 latiori, antice vix sinuato, angulis anticis obtusis, late- 
