82 



Head moderate, triangularly produced in front, ornamented with tubercles in trans- 

 verse rows ; eyes large and prominent : antennae \< rj long and Blender, bright 

 yellow ; maxillary palpi l;n e, yt How. 



Thorax rath< r small, rather Bhorter and narrower than the head, slightly widest at 

 the base, ornamented with rather Large, distinct, and irregular tubercles, inter- 

 stices shining and faintly reticulated, sides margined and much rounded, basal 

 margin rounded, slightly rellexed, shining, with the angles rounded. 



Si hi, Hum elongate, acuminate, closely and deeply asperate d. 



Elytra long, elongate-oval, nearly twice longer, and rather broader than the bead 

 and thorax, widest behind the middle, asperated in distinct and very wavy- 

 rows, sides slightly margined and slightly rounded, extremities broad and 

 slightly rounded. 



Abdomen with the pygidium only exposed. 



Legs long, bright yellow. 



Under parte entirely castaneous. 



Differs from P. Sharpi in its larger and broader thorax widest at the base, and 

 much fainter sculpture ; from /'. Spencei in its much larger size, shape of its 

 thorax, and very long antennae. 



Hull tat. North America. Found by Mr. Ci. E Crotch in British Columbia, and iu 

 California. 



This species varies in the width of the elytra ; probably a sexual distinction, 

 as in P. Spencei. 



Ptilium hurnile. 



P. hurnile, Matthews, Cist. Ent. ii. p. 170, 1877- 



L. c. {',;—{',; lin.=0 , 63-0 , 75mm. — Elongation, modice convexuni, ferrugineum, 

 pilis flavis sat dense vestitum ; capite sat magno, antice elongato, tuberculis parvis 

 eoufertissime obtectum ; oculis magnis, prominulis, nigrescentibus ; pronoto parvo, 

 brevi, capite breviori, vix iatiori, fere ad medium Iatissimo, tuberculis sat magnis 

 eoufertissime obtecto, laterilms valde rotundatis, late marginatis atque setis duabus 

 brevibus pone media instructis, margine basali leviter sinuata, reflexa, nitida, angulis 

 obtusis ; elytrit elongato-ovalibus, capite atque pronoto plus quam duplo longioribus, 

 vix latioribus, ad media latissimis, ordinibus sinuatis, sat remotis, modice asperatis, 

 apice ovali, angulis suturahbus fere rectis ; abdominis pygidio solo exserto ; pedi- 

 bus atque antennis brevibus, robustis, laste rlavis. 



Body elongate, moderately convex, ferruginous, rather thickly clothed with yellow hair. 

 Head rather large, produced in front, very closely covered with small tubercles; 



eyes large and rather prominent, black ; antenna? short, rather robust, bright 



yellow. 

 Thorax small and short, shorter and scarcely broader than the head, widest near 



the middle, very closely covered with rather large tubercles, sides much 



rounded and broadly margined, furnished with two short erect seta? behind 



the middle, basal margin slightly shiuated, rellexed, and shining, with the 



angles obtuse. 

 Scutelium moderate, elongate, acuminate, closely asperated. 

 Elytra elongate-oval, more than twice longer, but Bcarcely broader than the head 



and thorax, widest at the middle, moderati ly asperated in remote wavy rows, 



apex entire, oval, with the BUtural angles nearly right angles. 

 Ahtlom, ii with the pygidium only exposed. 

 Legs short, robust, bright yellow. 

 Under parte entirely ferruginous. 

 Pill, is from /'. <> lumbianum in its much smaller size, narrower form, short robust 



antenna 1 , and in the sculpture of its thorax: from P. Spencei in its narrower 



form, shorter antenna?, and in sculpture. 

 Habitat, North America. Found near San Diego, in California, by Mr. G. E. Crotch. 



