48 MANDIBULATA. — COLEOPTERA. 



common, particularly about Crwmlyn Burrows.'"— L. W. Dillwyn, 

 Esq. 



Sp. 9. xanthoceros. Ohlongo-ovatus, niger, punctulatus, subpubescens, ihorace 

 brevi, antice vix emarginato, antennis pedibusque Jlavo-testaceis. (Long. corp. 

 f— 1 lin.) 



Me. xanthoceros. Steph. Catal. 81. No. 862. 



Oblong-ovate, black, punctured, slightly pubescent, the thorax very short, 



scarcely emarginate anteriorly; the antennae and legs testaceous-yellow, the 



anterior tibia denticulate externally. 

 Allied to Ni. serripes of Gyllenhal, but the antennas are testaceous-yellow, 



whereas in his insect they are black, with the central joints piceous:— it may 



be a variety of that insect. 



Found near London in flowers. 



Sp. 10. nigricornis. Oblongo-ovatus, viridi-niger, punctulatus, thorace antice 



suhemarginato, antennis pedibusque nigris. (Long. corp. f — 1 lin.) 

 Me. nigricornis. Kirby MSS.— Steph. Catal. 81. No. 8G3. 



Oblong-ovate, black, punctulated; the thorax slightly emarginate anteriorly, 



the legs entirely black, the anterior tibiae denticulate, the antennae also 



black. 

 In the darkness of the antennae this somewhat agrees with Gyllenhal's Ni. 



serripes, but it differs in having the legs entirely black ; whereas in Gyllenhal's 



insect they are pitchy-black, with the anterior paler. 



Not found near London : my specimens I obtained from the 

 Marshamian cabinet. " Occasionally found (near Swansea). 1 ' — 

 L. W. Dillwyn, Esq. 



Sp. 11. subrugosa, Brevis, ovatus, convexa, niger punctatissimus, elytris trans- 



versim subrugosis, antennarum clavd oblongd. (Long. corp. ^ — 1 lin,) 

 Ni. subrugosa. Gyllenhal — Me. subrugosus. Steph. Catal. 81. No. 864. 



Short, ovate, convex, black, thickly punctured ; antennae black, with an oblong 

 rather slender subacuminated club: thorax anteriorly very slightly emar- 

 ginate: elytra very thickly punctured, the puncta transversely confluent, giving 

 the appearance of being slightly wrinkled, the disc clothed with a delicate 

 griseous pubescence : legs pitchy-black. 



The short ovate form, thickly punctate, transversely wrinkled surface of the 

 elytra, distinguish this species from its allies. 



Found in flowers, within the metropolitan district. " Netley." — 

 Rev. F. W. Hope. 



Sp. 12. nigrinus. Brevis, ovatus, ater, glabcrrimits nitidus, antennis pedibusque 

 nigris, ihorace anfici vix emarginato. (Long. corp. ~ — 1 lin.) 



