ELAl'lIIUDKS. 15 



Einargiiiatiou of iiu'iitnin witli a stroiiu; ddulilo-tootli. 



ff. Eyes globular and very prominent, tlicir ii]ij)er 

 margin curved slightly inward ; tliorax con\ex, 

 without a raised side-margin; elytra with cye-s])ots. 

 Head sliglitly narrowed behind ; first four joints of 

 anterior tarsi of male \evy slightly dilated. 



Ulajjhrus, Fab. 



?>. Eyes not very prominent, their upper margin straiglit; 

 thorax flat, witli a raised side margin ; elytra with 

 punctured striae and depressions. 



Head less narrowed l)ehin(l than in UlcqjJmis, and first 

 four joints of anterior tarsi of male more strongly dihited. 



BlctliiHit, Bon. 



A, Legs wliolly or partly black. 



((. Lateral lines of jnmctures on elytra obsolete beliind. 



I. Palpi entirely lilack ; sides of thorax scarcely 

 rounded. 



Bronze (rarely bluish) al)0ve ; bronze-black lieneatli. 

 Frontal furrows parallel ; first four joints of antennae 

 reddish beneath ; margins of thorax punctured, disc smooth 

 on each side of central furrow ; lateral interstices on elytra 

 flat ; legs black. L. 2f 1. Common. N. aciuaticus, Lin. 



II. First two joints of the palpi yellow-red. 

 Bronze above ; bronze black lieneatli. Frontal furrows 



somewhat divergent ; three joints at base of antennae 

 yellow-red ; margins of thorax punctured, disc smooth ; 

 lateral interstices on elytra flat ; legs black, tibiae reddish- 

 yellow in middle. L. 2 1. Common. N. ])aliistris, Duft. 



h. Lateral lines of punctures on elytra not' obsolete 

 behind. 



I, Body broader ; elytra with coaxser lines of punc- 

 tures. 



1. One impression on tlie second lateral int(;rstice 

 on elytra. 



Bronze above, dark bronze-green beneath. Frontal fur- 

 rows divergent ; first four joints of palpi and first four 

 joints of antennae more or less reddish-yellow; thorax 

 punctured almost all over, posterior angles sharp ; apex of 



