80 . 
PARNUS IMPRESSUS. 
Order Coleoptera. Fam. Parnidae Leach . Byrrhii Lat. 
Type of the Genus P. prolifericornis Fab. 
Parnus Fab., Marsh , Leach. Dermestes Geoff. Dryops Ol.iv., Lat. 
Antenna inserted beneath the eyes and lodged in a little cavity 
near their internal edge, shorter than the head, woolly, 9 -jointed ; 
1st joint somewhat cylindric, 2nd large, very much produced on 
the internal side ; the other 7 joints forming a serrated mass, 
attached to the outside near the base of the 2nd joint, by which 
they are frequently concealed $ 1 st joint attached by a small pe- 
duncle, the 5 following somewhat serrated, terminal joint semi- 
orbicular (f. 6). 
Labrum exserted, coriaceo-membranaceous, transverse, slightly 
emarginate, sides rounded, ciliated (1). 
Mandibles concealed, corneous, strong, angulated at the base, 
apex bidentate with two smaller teeth just below the apex on the 
internal edge which is concave, a compressed membranaceous 
lobe near the middle, rounded and corneous above, ciliated 
externally (2). 
Maxilla bilobed, internal lobe slender, somewhat acute, articu- 
lated near the apex, ciliated internally 5 external lobe large, 
somewhat quadrate-ovate, with a spine at the internal angle, 
ciliated externally. Palpi short, robust, 4-jointed, 3 first joints 
hairy, basal joint minute, 2nd and 3rd cup-shaped, 4th long, 
ovate-conic (3). 
Mentum transverse, quadrate, narrowed before, anterior angles 
produced. Labium large, somewhat quadrate, hairy, angles 
rounded. Palpi short, robust, 3 -jointed 5 1st joint minute, 2nd 
clavate, 3rd oval (4). 
Head concealed up to the eyes , somewhat triangular above. Eyes or- 
bicular. Thorax transverse quadrate , sides thickened, , margined , 
anterior angles produced. Scutellum triangular. Abdomen some- 
what cylindric or elliptic , convex, margined. Sternum produced be- 
hind in the centre into an acuminated lobe. Legs alike. Thighs 
channelled beneath. Tibiee cylindric, unarmed. Tarsi filiform , 
5 -jointed, first A joints small , 5th long, clavate. Claws long. 
Impressus nob. 
Olivaceous-brown, minutely punctured, villose. Thorax with a 
fovea on each side, near the base, equidistant from the margin 
and each other. Elytra with 7 or 8 obscure punctured striae on 
each. Serrated mass of antennae, thighs at their base, apex of 
tibiae, tarsi, and claws, ferruginous. Beneath ferruginous -olive, 
with ochraceous pubescence. 
In the Author's Cabinet. 
