TKICIIOPTEUYGIDAE. 361 



between coxae ; ]"»osterior coxae slightly apart, laminate ; 

 last joint of maxillary paljn rather stout, dilated at base, 

 curved at apex, third joint much thickened, oval, apex 

 broad and obliquely truncate, second joint strongly thick- 

 ened at apex. Euryptili'um, Mat. 



II, Metasternum not reaching sides of body. 



INIesosternum with a very short ridge, epimera mode- 

 rately intlexed beneath ; metasternum with posterior margin 

 nearly straight, minutely bidentate l)etween coxae, episterna 

 very large, inflexed far beneath, extending to coxae and 

 produced to posterior margin of metasternum ; intermediate 

 coxae not contiguous ; posterior coxae nearly contiguous, 

 much dilated ; maxillary palpi with last joint rather long 

 and thick, pointed, scarcely curved ; third joint very large, 

 much thickened, somewhat longer than broad, its apex 

 obliquely truncate and rathei- narrower than middle, second 

 joint thickened in middle. Nossidium, Er. 



Ptlnella, 



A, Abdomen broader, obtuse at apex. 



a. Thorax strongly constricted behind. 



Elongate, rather obtuse, moderately convex. Yellow, 

 scantily covered with pale hairs. Head large, tolerably 

 elongate, rounded in front ; thorax slightly broader than 

 head, feebly, closely tul )erculate, posterior angles prominent, 

 very acute ; elytra scarcely broader than thorax, not dilated 

 behind, feebly, rather diffusely asperate in transverse rows ; 

 abdomen elongate, obtuse, sides nearly parallel ; antennae 

 and legs long, pale yellow. L. -^ 1. Moderately common. 

 P. testaceo., Heer {Proteus, Sharp's Cat.) 



h. Thorax slightly or scarcely constricted behind. 



I. Posterior angles of thorax not prominent, almost 

 right angles. 

 1, Head rather small and short. 



Broad, flat. Eeddish-yellow ; antennae and legs pale 

 yellow ; scantily covered with short pale hairs. Thorax 

 regularly, rather feebly tuberculate ; elytra scarcely longer 

 than head and thorax, much broader than latter, very broad 

 and strongly rounded at apices, rather deeply and diffusely 

 asperate in irregular transverse rows ; abdomen l)road,ver3^ 

 obtuse; legs slender. L. -^ 1. Eare. P. Maria, Mat. 



