Emus erythrocephalus, Fabr., Syst. Ent. 265 ; Er., Gen., 351 et syn.; 



Fauvel, I., 81. 



Elytra hluish ; head bright red, loith a large hlach discoidal 

 patch. 



Exactly the size of maxillosus, black, thorax shining, pos- 

 terior extremities rounded, elytra a blackish purple, head red, 

 a rounded frontal puncture and mouth both black. 



Length.— I4i-Vl mill. 



Localities. — Victoria, Swan Eiver, New Caledonia, Tonga. 

 Ardrossan, Mr. Tepper's collection. 



Ohs. — This species is well known, specimens in every col- 

 lection. 



KEY TO^teCIES OF PHILONTHUS. 



A. Clypeum showing^B^ of three punctures on each side of 

 the disc, no lateral impression. 



a. Clypeum black ; elytra deeply and sparsely punctate, 

 brown or black, slightl}'^ bronzy. sordidits. 



h. Clypeum reddish ; elytra densely and finely punctate, 

 rosy, brighter at the suture and summit. 



hepaticus. 



B. Clypeum showing a series of five points on each side of 



the disc. 

 a. Clypeum red^t^KpE and sides of elytra bordered 



with a testaceous tint. sanguinicollis. 



h. Clypeum black or pitch brown ; head much longer 



than broad ; size very small. nigrituhis. 



P. sordidus, Grav., Micr., 196 ; Fauv., Fn. Gall.-Rben., III., 

 448 et syn. 



Very closely allied to Fh. cephalotes, but only two- thirds the 

 size atfd blacker, nitid, with more scanty pubescence ; the 

 head especially in the male narrower, never broader than the 

 thorax, four equidistant interocular punctures ; the antennae 

 more slender and shorter ; the elytra have larger and fewer 

 punctures, not in ridges, with more scanty pubescence ; the 

 abdominal segments not margined with red ; in male the head 

 is more quadrate ; the incision of the seventh segment is less 

 deep, with rounded apex. 



Length. — 5-5^ mill. 



Localities. — Asia, Europe, America, Adelaide. 



P. hepaticus, Er., Gen., 451.; Gemming & Harold, Cat. Col., 589 et 

 syn. ; Fauv. Notic. Ent., 1866. 



Very like the form of albipedis, but a little smaller, blacky 

 nitid, the thorax and margins of the abdominal segments dusk 



