of some Exotic Lamellicorn beetles. 37 



seen fi'om the outside ; 5e, the same seen from -within the mouth, 

 showing the setose labium connate with the inner surface of the 

 mentum and the labial palpi. 



Fig. 6. Cremastoclieilus crassijjes magnified ; Ga, mentum. 



Plate II. 

 rig. I. Amblyodiis taurtis slightly magnified ; fig. \a, the head seen from 

 below; fig. Ih, the head and front of the prothorax seen side- 

 ways ; \c, mandible ; Id, maxilla ; Ic, mentum. 



Fig. 2. Pantodinus Klugii, natural size ; 25, the same seen sideways 

 without the legs ; 2c, clypeus ; 2d, clypeus from beneath, with 

 the minute labrum in situ; 2e, labrum ; 2/, mandible ; 2g, 

 maxilla ; 2Ti., mentum, with terminal bilobed labium and labial 

 palpi ; 2i, antenna. 



Fig. 3. Nicagus ohscvr'vs magnified ; Sa, side of head and eye ; 3b, labrum 

 and mandibles m situ; oo, mandible ; 3d, maxilla ; 3e, mentum 

 and labial palpi fi-om beneath ; 3/, the same seen sideways ; 

 3g, antenna ; 3/i, underside of thorax ; 3^, underside of abdomen 

 and base of hind legs ; 3^, apex of tarsi with bisetose onychium. 



