EXPLANATION OF PLATE L. 
Fic, 49. Silpha obsewra, dorsal view. 
49a 5, »» » ventral view of median lobe. 
50. Silpha analis, lateral view, with sac evaginated. 
51. Necrophorus mortuorwm, dorso-lateral view. 
52. Bathyscia, sp. Piedmont, lateral view. 
52a. ss , apex of sac with armature. 
53. Liodes humeralis, lateral view. 
5380. 55 55 , apex of sac with armature. 
53b. yy A , lateral view of median piece of armature. 
54. Clambus minutus, lateral view. 
Descriptions on pp- 503-505. Explanation of the letters used 
uniformly on pp. 481-183. 
