108 MANDIBULATA. — COLEOPTERA, 



thickly punctulate, the margins rather opaque : elytra with the disc aeneous, 

 very faintly punctate-striated, the three lateral striae elevated, the third being 

 somewhat remote from the second ; the base not tuberculated : body piceous, 

 clothed with cinerescent down beneath. 



My specimen of this species was taken in Norfolk. 



Sp. 6. parallelipipedus. Plate XIII. f. 5. — Lineari-oblongus, niger, nitidus, 

 antennis pedibusque rufis, thorace quadrato, bilineato nitidiore, corpore subde- 

 presso. (Long. corp. § lin.) 



Li. parallelipipedus. Mutter. — El. parallelipipedus. Steph. Catal. p. 56.No.6Gl. 



Oblong, linear, depressed, glossy black, with the antennas and legs rufescent : 

 the thorax quadrate, very glossy, with a curved line on each side, scarcely ap- 

 proximating anteriorly ; the intermediate space obsoletely punctulated, with 

 a central impressed dot, the margin rather opaque, and considerably elevated 

 laterally : elytra depressed, elongate ; the disc distinctly punctate-striated, the 

 lateral striae elevated, the third from the margin especially, the interstices im- 

 punctate, and very glossy : body pitchy-black beneath. 



I have seen four examples only of this species, all of which were 

 taken, I believe, near Exeter, by W. Spence, Esq., who kindly sup- 

 plied me with a specimen. 



b. Thorax with a transverse elevated posterior fold. 



Sp. 7. aeneus. Niger, subameus aut wneus, antennis tarsisque ritfescentibus, 



elytris basi thorace latioribus. (Long. corp. 1 — 1^ lin.) 

 Li. aeneus. Mutter. — El. aeneus. Steph. Catal. p. 56. No. 562. 



Blackish-brass, or bronzed, shining : head obsoletely punctate, dull black : thorax 

 subquadrate, very convex, black, slightly glossed with aeneous, finely punc- 

 tulated j the disc anteriorly with an elevated straight line on each side, parallel 

 with the lateral margin, behind the middle with an abbreviated transverse im- 

 pression, connected with the lateral line, and the posterior margin, behind the 

 impression elevated : elytra broader than the thorax at the base, oblong-ovate, 

 very convex, slightly pubescent, deeply punctate-striated, the interstices finely 

 punctulate, the alternate ones slightly elevated, and the sixth from the suture 

 somewhat carinated : body beneath clothed with a dense golden down : legs 

 pitchy-black, the base tomentose, and the tarsi rufescent : antennae rufescent, 

 with the apex dusky. 



The most abundant species of the genus, taken occasionally in 

 streams in the marshes, by the junction of the Surry and Croydon 

 canals. " Near Hatfield in June, copiously." — Mr. Westwood. 

 « Netley, Salop."— Rev. F. W. Hope. 



Sp. 8. Maugetii ? Ovatus, niger, antennis tarsisque ferrugineo-brunneis, elytris 



basi thorace suhazqualibiis. (Long. corp. 1 — 1^ lin.) 

 El. Maugetii. Latreille?— Steph. Catal p. 56. No. 563. 



