139 



Thorax rufescent, sometimes dusky on the disc, ovall_y rounded, broadly reflexed, 

 and pellucid in front, in the males nearly smooth, in the females rather deeply 

 punctured, very shining, basal margin sinuated, with the angles produced and 

 acute. 



Saitellinn moderate, subtriangular. 



Elytra nigro-piceous, rather broader and one-half longer than the thorax, widest at 

 the shoulders, deeply and closely punctured, interstices smooth and shining, 

 sutural stria moderate, sides broadly margined, apex attenuated, entire. 



Abdomen moderately exposed, rufescent, deeply punctured. 



Lec/s moderate, bright yellow, anterior tibise long, and much incurved. 



Under parts clothed with pale hair, rufo-piceous, with the venter very closely 

 punctured. 



Differs from C. cassidoidcs in its smaller size, ovate form, smaller thorax with the 

 posterior angles less produced, and in the sixth joint of the antenna not being 

 incrassated, and the seventh very minute. 



Habitat, Asia. Found not uncommonly in Japan by Mr. Lewis. 



Corylophus Cassidoides. 



C. Cassidoides, Marsham, Coleopt. Brit. p. 77, 1802. 



L. c. xo— xu li'^- = '87-1 mm. — Brevis, latus, modice convexus, postice 

 attenuatis, alutaceus, nitidissimus, elytris profunde punctatis, rufo-castaneus, plus 

 minusve infuscatus ; pronoto lato, magno, antiee ovaliter rotundato, plus minusve 

 rufesceuti, sat profunde alutaceo, minute et remote punctate, margiue anteriori 

 late reilex;l, flavescenti, margiue basali sinuata, angulis longe productis, acutissimis; 

 elytris brevibus, pronoto baud latioribus, sed longioribus, ad humeros latissimis, 

 apices versus attenuatis, profunde alutaceis et punctis magnis impressis, rufes- 

 centibus, ad humeros plus minusve infuscatis, lateribus marginatis, apicibus 

 obtusis ; pedibus magnis, liete flavis ; antennis modicis, flavescentibus. 



Body short and broad, moderately convex, attenuated posteriorly, alutaceous and 

 very shining, elytra deeply punctured, rufo-castaneous, more or less darkly 

 clouded. 



Head yellow ; eyes large and prominent ; antennae moderate, flavescent. 



Thorax large and broad, ovally rounded in front, more or less rufescent, rather 

 strongly alutaceous, minutel}' and remotely punctured, anterior margin broadly 

 reflexed, flavescent, basal margin sinuated, with the angles much produced 

 and very acute. 



Scutelliun broad, subtriangular. 



Elytra short, longer but not broader than the thorax, widest at the shoulders, 

 attenuated towards the apex, deeply alutaceous and rather closely marked with 

 large punctui'es, rufescent, with the shoulders more or less broadly infuscate, 

 sides margined, extremities obtuse. 



Abdomen with the pygidium exposed, piceous. 



Legs large, bright yellow. 



Under parts piceous, head and prothorax rufescent, metasternum deeply punctured. 



Differs from other species in its small size, broad form, large thorax, with the 

 hinder angles much produced, attenuated elytra, and in sculpture. 



Habitat, Europe. Generally difl'used. 



Corylophus sublsevipennis. 



C. siibUeripennis, Duval, Gen. Col. Eur. ii., p. 234, pi. 56, fig. 281, 1859. 



L. c. TB-i**o lin. = '87-1 mm. — Ovatus, valde convexus, nitidissimus, leviter 

 alutaceus et mniute punctatus, Isete rufo-castaneus, elytrorum humeris infuscatis ; 



