6 C. M. BY von HAYEK 
studies of additional material (when this becomes available) are required before its 
relationships with other species can be elucidated. 
KEY TO GENERA AND SUBGENERA 
I Propleurae with longitudinal grooves near the lateral margin for the accommodation 
of the antennae. Posterior portion of prosternopleural suture grooved for the 
reception of the anterior tarsi : : : OCTOCRYPTUS Candéze (p. 266) 
— Propleurae without longitudinal grooves near the lateral margin for the accom- 
modation of the antennae. Prosternopleural suture never modified for the 
reception of the tarsi 


ii 8 
Fics 1-8 Figs 1-3. Mesocoxal cavity and adjacent area. 1. Lanelatey sp. 2. Agvypnus 
sp. 3. Adeloceva sp. Figs 4-6. Meso- and metasternal area, left middle leg removed. 
4. Opatelus sp. 5. Agrypnus sp. 6. Adelocera sp. Figs 7-8. Left side of prosternum and 
propleuron, front leg removed. 7. Agrypnussp. 8.Adelocerasp. All figures are diagramatic 
and are not drawn to the same scale. Mesosternal groove and mesocoxal cavities stippled, 
tarsal grooves cross-hatched. EMz,mesepimeron. ES2,mesepisternum. S2, mesosternum. 
$3, metasternum. 
