87 



ornato ; oculis magnis, baud prominentibus ; pronoto modico, capite paulura 

 longiori, \i\ latiori, ad medium latissimo, foveia magnis, profunde umbilicatis, sive 

 annulis parvis, ordinibus transversis, sal remotis, catenulatim dispositis, intersti- 

 tiisque glabris, nitidis, ornato, impressione lata, profunda, Longitudinali, antice 

 divergenti, a basi usque ad medium extensa, in disco ut rm-jui- notato, lateribus 

 antice rotundatis, postice leviter constrictis, margine basali leviter rotundata et 

 i reflexa, angulis fere rectis; i ytris ovatis, integris, translucidis, capite atque 

 pronoto longioribus ei paiilo latioribus, ad media latissimis, ordinibus distinctis, 

 sinuatis, tranBversis, asperatis, apice lato, obtuso, dilution ; abdominis pygidio solo 

 exserto ; podibus atque antennis robustis, bete llavis. 



Body oblong-oval, bright castaneous, shining, clothed with golden hair. 



Head rather large and prominent, rounded in front, ornamented with umbilicated 

 fovea?, interstices shining; eyes large, not prominent; antennae rather long, 

 robust, bright yellow. 



Thorax moderate, rather longer but scarcely broader than the head, widest at the 

 middle, ornamented with large and deep umbilicated foveas, or small impressed 

 rings, arranged like a chain in remote transverse rows, interstices smooth and 

 shining, with a broad deep longitudinal impression on each side of the disc, 

 extending from the base to th< middle and diverging anteriorly, sides rounded 

 anteriorly and slightly constricted towards the base, basal margin slightly 

 rounded and reliexed, with the angles nearly right angles. 



Scutellum moderate, triangular, and deeply punctured. 



Elytra entire, ovate, translucid, longer and slightly broader than the head and 

 thorax, widest at the middle, asperated in distinct wavy transverse rows, apex 

 broad, obtuse, and paler. 



Wings seen through the elytra as narrow black vittae. 



Abdomen with the pygidium slightly exposed. 



Legs robust, bright yellow. 



Under parts castaneous, with the terminal segments of the venter paler. 



Differs from all other species in the remarkable and beautiful sculpture of the 

 thorax. 



Habitat, Australasia. Found in Tasmania by Mr. Simson. 



This beautiful Bpecies belongs to the section of the genus which contains 

 P. Halidaii and P. angulicolle, both of which are also remarkable for elegance and 



rarity. 



Ptilium impressum. 

 P. impressum, Matthews, Ann. Mag. Nat. Eist. 6, xiii. p. 841, 1894. 



L. c. ,■';. lin. = 0"68 mm. Elongato-ovale, modici convexum, vix nitidum, con- 

 fertim tuberculatum, rufo testaceum, puis brevibus flavescentibus vestitum; capite 

 magno, prominenti, confertim tub ; oculis modicis, sat prominentibus; 



antennis brevibus, robustis, late llavis; pronoto parvo, capiti nee longiori, oequi 

 latiori, confertim tuberculato, impressione sal profunda, ovali, ad medium, atque 

 alia rotundata ntrinque ad basim notato, lateribus leviter marginatis, an) 

 datis, postice sat contractis, ad media I irgine basali recta, angulis fen 



j; elytris longis, capite atque pronoto plus quam sesqui longioribus, parum 

 latioribus, prope media latissimis, sat leviter, confertissime asperatis, lateribus 

 leviter marginatis, apice integro, obtuso ; abdomine hand exserto; pedibus brevi- 

 bus, hete llavis. 



Body i Ion il, moderately convex, slightly shining, closely tuberoulate, oli 



with shori flavesci a\ hair. 

 Head large and prominent, closely tuberculate ; eyes rather prominent; antenn.e 



short, robust, bright yellow. 



