394 APl'KXDIX. 



the anterior tarsi dilated, compressed, and witli very minute aretabuli 

 beneath: stature moderate, slightly convex, colour geneially obscure. 

 Erichson divides this genus into five sections, viz.: — 



§ 1. With the basal joint of the posterior tarsi ciliated beneath in the males. 

 (Species 11 to 16 of 2d edit, of Nomenclature.) 



Sp. 16. Cor,, cyaneus. Steph. JSomen. ^d edit. col. 17. — Oblonoo-ovaius niffer, 

 sithdepressus, elijtris IcEvissimis strigis trihtts irr eiriilaribus jmncioi-um iniprcs- 

 sorum, interne nigro-cyaiieis, marghie piceu, iiljiis ta) sisqite piceD-fcrriigineis. 

 (Long. corp. 3|: lin.) 



Oblong-ovate, slightly depressed, black; elytra very smooth, with three striae 

 composed of very irregularly-placed punctures, and at the apex some 

 scattered ones; the disc within bright blackish-blue, shaded off towards 

 the margins to pitchy ; tibiiE and tarsi pitchy-red. 



Taken near London. 



§ 2. With, the two basal joints of the posterior tarsi ciliated beneath in the 

 males. (Species 17 to 19 Nomen. 2d edit.) 



Sp. 19. Col. branchiatus. Loudov, Mag. Hist. Nat. (Babington) v. v. p. 329. 

 — Steph. Nomen. 2d edit. col. 17., — Obion go-ovatus, subconvexus, nigei^, subii- 

 lisaime punctato-strigosvs, antennis ferrugineis, pedibus Juscis, elytrisque 

 lineola obsoletafenestrata, (Long. corp. 3 lin.) 



Oblong-ovate, slightly convex, black ; the surface very finely punctate- 

 strigose ; antennae ferruginous ; legs fuscous ; elytra with an obsolete trans- 

 parent line. 



Taken in North Wales by C. Darwin, Esq. 



§ 3. With the three basal joints of the posterior tarsi ciliated beneath in the 

 males. (Sp. 20 to 24 Nomen. 2d edit.) 



$ 4. With the four basal joints of the posterior tarsi dilated beneath in the 

 males. (Sp. 25 to 31 Nomen. 2d edit.; 



Page 79. Sp. 30. Col. ferruginous. This insect has been taken near " Caer- 

 narvon."- — C. C. Babington, E.-,q. 



§ 5. With all the joints of the tarsi ciliated beneath in the males. (Sp. 32 to 



36 Nomen. 2d edit.) 



Page 80. Sp. 36. Col. Snowdonius. Entom. Mag. {Newman) v. i. -p. 55. — 

 Nigro-wneus, Iceuis, capite postice punctis duobus ferrugineis, antennis pedi- 

 husque piceis. (Long. corp. 6 lin.) 



Blackish-brass, smooth ; head behind with two rusty dots ; antennae and legs 

 pitchy; elytra finely strigose, with three obscure elevated lines. 



Probably a variety of Co. bipustulatus. 



Taken on Snowdon by Mr. Newman, who kindly supplied me with the species. 



Ilybius, Erichson. 



Labial palpi with the second joint nearly equal in length with the third ; 



