86 MR. C. J. C. POOL ON 



C. festivus Panz. First ventral segment of abdomen of male 

 rugose all over, but ivith no nmbilicate depression in 

 the middle (Nevvbery). Clubs of antennae always pale. 

 Upper surface shiny. 



C. castaneus M.e\\.^= fuscatus Mell. Unicolorous castaneous. 

 Depressed and dull. Clubs of antennas never black. 



Genus Rhopalodontus Mellie. 



Antennfe 10-jointed. Anterior coxpe shorter (more or less 

 conical) ; tibi?e dilated and denticulate at apex. 



R. perforatus Gyll. Size larger. Dull unicolorous. Pale oi' dark 

 brown. Clubs of antennye never black. L. l|-2 mm. 



R. fronticornis Panz. Size smaller. Dull black, with pale 

 testaceous legs. Clubs of antennfe sometimes black. 

 L. 1-11 mm. 



Genus Ennearthron Mellie. 

 Antennae 9-jointed. 



E. afflne Gyll. Colour black. Clubs of antennae alway dark. 



L. 1-1 1 mm. 

 E. cormofum Gyll. Colour brown. Clubs of antennae usually 



dark, rarely pale. L. 1-1| mm. 



Genus OcTOTEMNUs Mellie. [Orojjhhis Redtenbacher.) 

 Antennae 8-jointed. 



0. glabriculus Gyll. Smooth, shiny. The number of joints of 

 the antennae will distinguish it from Cis jacquemarti in 

 Group 1. L. 1-lj mm. 



N'otes on Characters and Distribution, ivith Description of 

 Neiv Species. 



Genus Cis Lati^eille. 



C. LINEATOCRIBRATUS Mell. 



There is little or no variation noticeable amongst mature 

 specimens. 



Previously only recorded from Scotland and Cumberland (Day). 

 The latter record (Brit. Col., Fow. & Don. vol. vi. p. 281) refers 

 to a single specimen taken from fungus on birch at Gt. Salkeld 

 by Mr. H. Britten. Abundant in a large detached brown fungus 

 at Mark Ash, New Forest, Sept. 1913 (Pool). Near Brockenhurst 

 (Dr. Sharp), Denny Wood (Bedwell). 



