30G On Aquatic Carnivorous Coleoptera or Dytiscidce. 



on each side of the middle, the emargination however is very slight especially on 

 tlie left side. In the female the apical segment is much less truncate, but still it 

 is a little abbreviated, and is scarcely sinuate on each side. 



Arabia, (El Hedjaz, Dr. Millingen). 1170. 



144. Laccophilus wehiickei, n. sp. — Eobustus, ovalis, latus, sat convexus, 

 nitidus, testaceus, elytris vage castaneo-saturatis, sed basi late pallidis. Long. 4i, 

 kit. vix 3 m.m. 



In this species, the elytra are suffused with a darker colour in such a way as not 

 to give rise to any well defined mark : a stripe along the suture is dark, the 

 large dark cloud scarcely mixes with the sutural stripe, and leaves a broad space 

 at the base quite i)ale, and though the limits of this cloud are very ill defined it 

 does not extend either to the sides or ajiex. I am acquainted only with the 

 female ; the apical ventral segment is elongate in the middle so that it is very 

 oblique on each side, and has no siauation, it is a good deal compressed 

 longitudinally in the middle towards the apex. 



Africa; Zanzibar. 620. 



i45. Laccophilus sianiensis, n. sp. — Ovalis, subdepressus, pernitidus, testaceus, 

 elytris castaneis, ad latera et ad apiceni fasciaque subbasali lata testaceis ; 

 l)rothorace basi in medio minus jiroducto. Long. \Vi, lat. 2 m.m. 



In this species the elytra are dark across the middle, and the dark colour 

 invades in an irregular manner the apical yellow portion, so as to give rise to some 

 appearance of a suba[)ical pale fascia ; the broad p.\le fascia near the base is very 

 di.stiuct. The male has the front and middle tarsi but little incrassate : the hind 

 margin of the a})ical ve"ntral segment is truncate, and a good deal sinuate on each 

 side, the sinuation being most abrupt near the outer angles ; in the female the 

 central lobe is very elongate, and the lateral angles are also distinctly projecting. 



i?irtm (Bangkok). 568 



GUOCP 7. 



146. Laccophilus grammicus, n. sp. — Ovalis, sat convexus, nitidus, testaceus, 

 jarothorace basi in medio, elj'trisque sutura et lineis latis ad basin abbreviatis et 

 ultra medium plus minusve interruptis, nigris. Long. 4, lat. 2t m.m. 



The elytra are marked with thick straight black lines, the edges of which, how- 

 ever, are irregular, so as to form more or less distinct transverse connections 

 between the lines ; the suture is black from beginning to end, the second line from 

 the sucuro is longer than the other, and reaches nearly or quite to the base ; the 



