74 MANDIBULATA. — COLEOPTERA. 



Deep glossy black : head orbicular, punctulate : thorax closely sprinkled with 

 impressed dots, with a slight longitudinal line, and a small depression on each 

 side of the basal angle : elytra subparallel, punctate-striated, the interstices 

 thickly punctate, the striae eight in number : body beneath shining black : 

 antennae brownish at the tip. The female has the elytra subopaque. 



This insect appears to be sparingly scattered over the country, 

 a few specimens having been formerly captured in Norfolk and 

 Suffolk, and in 1826, near Aberystwith ; and last August several 

 were taken in the neighbourhood of Dorking by Messrs. Chant and 

 Waterliouse. 



^ Sp. 2. Cassideus. Apterus, niger opacus, thorace subquadrato, piinctatissimo, 

 elytris tenue punctato-striatis, interstitiis suLtilissime punctulatis. (Long, 

 corp. 6. hn.) 



Ca. Cassideus. Fabricius. — Li. Cassideus. Steph. Catal. No. 101. 



Head large, rounded, deeply punctate : thorax somewhat quadrate, a trifle 

 rounded on the sides; entirely covered with distinct punctulations, with a 

 slender longitudinal channel, and a minute fovea on each side at the posterior 

 angle, which is more thickly punctated : elytra not much broader than the 

 thorax, subparallel, with the tip a little sinuate and quadrate-truncate : they 

 are obsoletely punctate-striate, the spaces between flat, and shghtly but very 

 thickly punctate : body beneath and legs of a glossy black. 



In the British Museum is a specimen of this insect, which was 

 obtained by Dr. Leach from an old collection, but with its locality 

 I am unacquainted : the Rev. F. W. Hope informs me that a spe- 

 cimen was taken at Aldborough in 18£4. 



Sp. 3. Silphoides. Plate V. f. 2. Alatus, niger, thorace rotundato, punctato, 

 elytris ovatis; lineis tribus subelevaiis, punctato-striatis, interstitiis subelevatis, 

 profunde punctatis. (Long. corp. 6§ lin.) 



Ca. Silphoides. Fabricius. — Li. Silphoides. Steph. Catal. JVo. 102. 



Black, slightly shining : head large, broad, punctulated : thorax rather broader 

 than long, thickly covered with deep impressed dots, especially on the sides, 

 where they become confluent ; the middle is less punctate, and has a slight 

 longitudinal channel; the sides and posterior angle are much rounded, and 

 the base is deeply notched: elytra ovate, broader than the thorax, with 

 strongly punctate striae, the spaces between which are thickly and deeply 

 marked with granular impressions ; the third, fifth, and seventh (from the 

 suture) being somewhat elevated and smooth, the tips of the elytra are deeply 

 sinuated : body beneath and legs glossy black : palpi pitchy : the tips of the 

 antennae brownish. 



This insect affords another proof of the irregular appearance, or 

 locality, of certain species : previous to the present year seven spe- 



