636 Mr. T. Vernon WoUaston on the 
Genus 97. Heterarthrus. 
WoUaston, Trans. Ent. Soc. Lond. 29 (1873). 
Heterarthrus pictus, n. sp. 
n. fusiformis, convexus, subnitidus, niger vel piceo- 
niger; capite rostroque minute et parce pimctulatis, hoc 
breviuscnlo, ad basin CAddenter substrangnlatim constiicto ; 
prothorace elongato, cyliudrico-triangulari, antice valde 
constricto, vix profundius punctulato; elytris fiisiformi- 
cylindricis, obscure rufo-testaceis, in limbo necnon in 
plaga postmedia sufFusa (per suturam antice versus scutel- 
lum angustius currente) nigrescentibus, striato-punctatis 
(striis versus suturam profiuidioribus), interstitiis depressis 
et minutissime parcissimeque uniseriatim punctulatis; 
antennis clare piceo-ferrugineis, pedibus piceis. 
Variat protliorace plus minus, sed pra3sertim utrinque 
postice, suffuse pallidiore. 
Long. Corp. lin. 1^. 
Habitat ins. Japonicas, prope Nagasaki captus. Coll. 
DD. Pascoe, Lewis, et Janson. 
{Obs. — H. Leioisii et pallidipenni, Woll., colore for- 
maque generali simiUimus, sed subnitidior, necnon in 
rostro 2:)rothoracisque disco parcius minutiusque punctu- 
latus, punctulis in elytrorum interstitiis subminoribus, 
prothorace antice profundius constricto, rostro ad basin 
pauluhim magis strangulatim contracto, necnon antennis 
vix omnino in medio, sc. forsan mox pone medium, ejus 
insertis.) 
Genus 98. Conarthrus. 
"WoUaston (vide, ante, p. 491 ). 
Conarthrus tarsalis, n. sp. 
C. angustus, elongatus, cylindricus, subnitidus, niger; 
capite prothoraceque dense et parum minute punctulatis, 
illo lato subconvexo crasso valde exserto et antice foveii 
punctiformi notato, rostro (\dx capite angustiore) sub- 
depresso et apicem versus gradatim paulo latiore, hoc 
elongato, triangulari-cylindrico, antice valde constricto, in 
disco postico obsoletissime late impresso ; elytris paraUelis, 
profunde subcrenulato-striatis, interstitiis subconvexis et 
conspicue luiiseriatim punctulatis; antennis pedibusque 
clongatis, crassis, iUis tarsisque paulo picescentioribus, 
