236 Proceedings of the Royal Physical Society. 
EXPLANATION OF PLATES. 
Plate IX, Figs. 10-15. 
Fig. 10, Epistome of X. tesselatum. 
» ll. Epistome of A. panicewm. 
» 12. Epistome of #. mollis. 
, 18. Epistome of P. pectinicornis. 
» 14. Epistome of Lyctus brunneus. 
5, 15. Epistome of LZ. canaliculatus. 
Lettering on Plate IX. 
a = antenna; c = clypeus; / = labrum; U.h = labral hooks ; f = frons ; ce’e = epistome ; 
ee = lateral areas ; ¢’ clypeal area, 
Plate X. Figs. 16-21. 
Fig. 16. Larva of Lyctus brunneus. 
17. Larva of H. mollis. 
» 18. Larva of A. paniceum. 
», 19. Larva of P. pectinicornis. 
20. Leg of A. domesticum, 
21. Leg of Lyctus brunneus. 
Lettering on Plate X. 
h=head ; a=pro-thorax; b=meso-thorax ; ¢=meta-thorax ; p=foot ; | = epi-pleural 
fold ; sp=spiracle. 
(Issued separately, 15th December 1915.) 
