46 



my collection. The following species are unique and highly 

 interesting. 



A. Pentamerous. Trophi porrect, mandibles large, broad at 

 base, or triangular, apparently simple and obtuse at tips ; palpi 

 with obconic joints, terminal ones largest, rounded at tips ; 

 antennae 11-jointed, first joint obconic, second globular, third 

 largest, obconic remaining ones submoniliform, or very short 

 obconic, terminal ones ovate. Very dark castaneous above, 

 badious beneath; densely punctured, holosericeous with short, 

 decumbent yellowish hairs. Head nutant ; eyes large, glo- 

 bose, almost meeting beneath, emarginate in front above the 

 insertion of the antennae ; the latter with the palpi ferruginous ; 

 posterior part of the thorax deeply indented each side ; feet 

 slender, tarsi elongated, joints undivided ; nails simple. Be- 

 longs to the Cebrionidae, genus Boscia ? 



B. Heteromerous. Brown, inclining to a pale snuff color, 

 scabrous with black tubercles ; antenna! joints short obconic, 

 first largest, last three transverse, forming a club, terminal one 

 small, truncate at tip ; palpi with obconic joints, terminal ones 

 ovate, acuminate ; mandibles grooved or bifid at the points. 

 Head retracted to the eyes ; thorax with two large tubercles 

 in front, one on each side, and two elevated sinuated lines ex- 

 tending from the middle to the base ; wings none ; coleoptra 

 with irregular series of deep foveoli, on each elytron a short 

 elevated line from the middle of the base, a longer one on the 

 disk, a submarginal one, two tubercles before the tip, the 

 inner one very much elevated, and a small one on the tip ; ex- 

 ternal margin embraces the body. Joints of tarsi undivided, 

 equal, short, except the last, which is about twice as long as the 

 preceding one ; nails strong, curved, simple. Inhabits decayed 

 wood. 



C. Apparently tetramerous. Polished, body ferruginous ; 

 antennae and feet paler ; head black ; thorax reddish, a black 

 dorsal fusiform spot, extending from the base to near the tip ; 

 elytra pale reddish, a dilated fascia across the middle, and an 



