1 80 GETIIOSYNUS. 



angles arc considerably depressed ; the sides marginate and subsinu- 

 ate in outline. 



Scutellum triangular, situated somewhat below the plane of the 

 elytra. 



Elytra broader than the thorax, elongate, parallel, not anteme- 

 dially transversely depressed, punctate, glabrous. 



Legs robust. The anterior femora cylindrical. The tibioB are in- 

 flected at the immediate base and gradually thickened towards the 

 apex ; unarmed at the extreme apex by any terminal spur. The tarsi 

 are short and robust; the first and second joints subequal and tri- 

 angular ; the third joint broader and more circular, almost bilobed ; 

 the terminal joint is subincrassated, and slightly inflected downwards 

 towards the apex. The posterior femora are ovate and short. The 

 tibial (Tab. VII. fig. 6g) are inflected at their immediate base; the 

 posterior surface is longitudinally grooved; this groove is more 

 distinctly marginate as it approaches the apex ; the margination 

 (immediately before the insertion of the tarsus) is distinctly sinuate, 

 or produced into an obsolete tooth ; the socket "which contains the 

 insertion is unarmed at its lateral margins by any pectinations, but 

 is terminated ultimately by a single robust spur. The tarsus is attenu- 

 ate ; the basal joint minute, triangular ; the second joint is of the 

 same form as, but narrower than, the first ; the third joint is shorter ; 

 from its centre proceeds the apical joint, which is broadly inflated, 

 and entirely conceals from above the terminal claw ; the claw appears 

 to be simple, quite unarmed by any inner basal tooth. 



Although this genus is formed upon a single example, I have had 

 no hesitation whatever in separating it from the rest of the group. It 

 is more parallel and elongate than any of the adjoining forms, and may 

 at once be separated from them by its general facies. 



1. Gethosynus sanguinicollis. (Tab. VII. fig. 6.) B.M. 



G. ohlongus, nitidus ; capite brevi, hand producto, punctato, inter 

 oculos biverrucato, rnfo; thorace transverso, ad latera submargi- 

 nato, comp1anato,fortiter punctato, rufo ; ehjtris paralJelis, elon- 

 gafulis, punctato-striatis, nigro-viridescentibus, nitidis ; antennis 

 fi/iformiJius, nigro-fuscis, articidis ad basin rufo annulatis ; pe- 

 dibus rujis, tarsis tibiisque anterioribus fuscis. 



Long. corp. 3 lin., lat. 1-i- lin. 



Oblong-ovate, narrow, slightly depressed ; head and thorax of a 

 dark crimson-red colour, strongly and coarsely punctate. Ilead short, 

 transverse, not produced ; between the eyes, and above the insertion 

 of the antennae, are two small indistinct tubercles, which give an 



