422 Rev. H. Clark's Descriptions of new 



This species may readily be distinguished from H. orienlalis, not 

 only by the difference of its pattern, but also by its form and 

 sculpture. H. nigro-notatiis is a trifle more oblong, not so broadly 

 rounded ; the thorax is distinctly longer, and the punctures are 

 not irregular in depth and breadth as in that species, but closely 

 arranged and entirely similar ; it differs also in form from the pre- 

 ceding species, being perceptibly more elongate : one example of 

 the five before me has the markings on the elytra almost entirely 

 obliterated. 



From the Collection of Mr. Bowring. 



5. H. bisulcatus, n. sp. 



Ovatus, brevis, supra sat convexus, crebre punctatus, punctato- 

 striatus, cinereus vel pallide cinereus, nigro-lineatus ; capite 

 ad apicem marginato et inter oculos subdepresso, leviter 

 punctato, testaceo ; thorace antic^ emarginato, lateribus obli- 

 quis baud rotundatis marginatis, basi baud sinuato, lat^ ad 

 medium marginato, leniter subpunctato, lateribus undique 

 tenuiter fuscis, ad basin undique ad medium nigro-adum- 

 bratis, lateribus latis, undique bistriatis, striis baud punc- 

 tatis, crebre punctatis, cinereis, sulura, basi, marginibus 

 juxta apicem lineisque duabus nigris ; linea ad marginem 

 tenui brevi, ad suturam lata insequali apicem versus ampliata ; 

 corpore subtus flavo-rufo ; pedibus et antennis cinereis vel 

 rufo-cinereis. 



Long. Corp. lin. 2; lat. lin. 1|. 



It is probable that the markings of this species may be subject 

 somewhat to variation ; but it is sufficiently characterized by the 

 four impunctate striae on the elytra ; the markings of the elytra 

 consist of two longitudinal fuscous lines, neither of them extend- 

 ing to the base or the apex ; the line nearer the suture is irregular 

 in form and towards the apex widens into a broad macula, in the 

 midst of which is sometimes an insulated flavous marking, the 

 line near the margin is narrower and regularly formed, extending 

 to the apical macula. The especial character of the species, how- 

 ever, is a deeper sulcation, slightly curved and post-medial, in 

 the stria which is nearer the margin ; this, when seen obliquely, is 

 considerably deeper and more apparent than the stria of which it 

 forms a pan. 



This species has been taken by Mr. Wallace near Malacca. 



