14 
Mr. Bauer’s microscopical observations on the 
Fig. 6 . Transverse section of the same, having one worm 
and many eggs in its cavity ; magnified 10 diameters. 
Fig. 7. An infected young germen in a more advanced 
state; magnified 10 diameters. 
Fig. 8. Transverse section of the same, having several 
large worms, a great many eggs, and some young worms in 
its cavity ; magnified 10 diameters. 
Fig. 9. An infected and considerably distorted germen at 
its full size; magnified 10 diameters. 
Fig. 10. Transverse section of the same, its cavity entirely 
filled with young worms; magnified 10 diameters. 
Fig. 11. A single spiket of the ripe ear, containing four in- 
fected grains ; magnified 10 diameters. 
Fig. 12. One of the infected grains of the upper valves of 
the same spiket ; magnified 10 diameters. 
Fig. 13. Transverse section of the same, containing in its 
cavity young worms only; magnified 10 diameters. 
Fig. 14. The uppermost, and smallest infected grain of the 
same spiket; magnified 10 diameters. 
Fig. 15. Transverse section of the same; magnified 10 
diameters. 
Fig. 16’. The lowermost and largest infected grain from 
the same spiket ; it is nearly divided into two lobes and two 
cavities ; magnified 10 diameters. 
Fig. 17. Transverse section of the same; magnified 10 
diameters. 
Fig. 18. The infected grain next in order to the preceding 
one, on the same spiket ; magnified 10 diameters. 
Fig. 19. Transverse section of the same ; magnified 10 
diameters. 
