Explanation of Plate XLVI. 



Fig. 22 Mkroplidius luctnasus, lateral view. 



23. Pelidnuta punctata, dorso-lateral view. 



24. Bolax iLiestwoodi, lateral view. 



25. Hexodoit imicolor, lateral view. 



25a. „ „ , lateral view of median lobe. 



26. Xylotrupes gidean, lateral view. 



26a. „ „ , lateral view of median lobe and in- 



ternal sac. 

 266. Xylotrupes gideon, armature on internal sac. 



27. Lomaptera xanthopus, lateral view with internal sac 



evaginated. 



Descriptions on pp. 588, 591, 592, 595 and 598. Explanation of 

 the letters used uniformly on pp. 481-483. 



