34 ADEPHAGA. [CMcenius. 



times the second and third joints of the antennae, and also the legs, red ; 

 the shape of the thorax, however, Avill at once distinguish it from C. 

 Sclirankii. 



Rather common in marshy places and on the hanks of streams and rivers ; widely 

 distributed in England from north to south. Scotland, rare Lowlands. Ireland 

 near Belfast. Some specimens are very darkly coloured, and superficially might be 

 mistaken for the following species. 



C> liolosericeus, F. (trisHs, Schall.). Rather larger and broader 

 than C. nigricornis ; head obscurely bronzed or coppery, antennae black ; 

 thorax subquadrate, rather broader than long, hinder angles obtuse, 

 obscure dusky black, rugosely punctured ; elytra brownish black, striated, 

 interstices thickly rugose and granulated ; pubescence very thick, 

 yellowish brown. L. 10|-11| mm. 



Very rare. Fen Ditton, Berks, and Whittlesea Mere (Stephens) ; Hornsea, York- 

 shire, and Norfolk (Skrimshire) j Mr. W. Garneys has recorded a specimen (doubt- 

 fully) from Repton ; it is very probable that some of these specimens were dark 

 vai'ieties of the preceding. Dr. Power some years ago took twelve specimens at 

 Burvvell Fen, and Mr. S. Stevens captured seven specimens on the banks of Lough 

 Derg, near Killaloe, Ireland, in May, 1870 or 1871. 



OODINA. 



This tribe is included by Dr. Horn and other writers under the 

 Chlaeniina, but, besides other differences, its members are so wholly 

 different in formation from the Chlaenii that it would seem better to 

 separate them. 



OODES, Bonelli. 



This genus comprises about sixty species, of which about a fifth part 

 come from the Australian region ; it ranges as far as China, Java, India, 

 Madagascar, Sierra Leone, Brazil, Peru, Mexico, Texas, &c. ; there are 

 only three European species, one of which, 0. Hispanicus, is sometimes 

 separated off as a distinct genus, Lonchosternus, Laf. 



O. helopioides, F. Oblong-ovate, deep black, antennae black, first 

 joint pitchy ; head and thorax smooth, the latter narrowest in front and 

 gradually widened to base, Avith very indistinct central furrow ; elytra 

 as broad as thorax, almost parallel-sided, with apex broadly and abruptly 

 rounded, and striae plain, indistinctly pimctured ; underside thickly 

 punctured at sides ; legs black, tarsi pitchy ; the female is duller, and 

 has the apex of the elytra more truncate than the male, L. 8-9 mm. 



Very local and rather rare ; in fens and marshy places under refuse, &c. ; some- 

 times found climbing up the rushes, also at the roots of willows ; Cambridgeshire Fens ; 

 Tonbridge; Askham Bog, York; Portsmouth; Weston, Oxfordshire; Burton-on- 

 Trent ; Cowley, Merton (near London), Eltham, Wimbledon, Rusper, &c. ; apparently 

 not found further north than York, and not recorded from Ireland. 



