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DESCRIPTIONS OF THE PLATES 
DESCKIPTIOX OF PLATE XXVI. See also Plate VI. 
Chitonomyces simplex Thaxter. 
Figs. 1, 2. Two mature individuals. D 2. 
Fig. 3. Spore. D 4. 
Chitonomyces Bidessarius Thaxter 
Figs. 4, 5. Two mature individuals. D 2. 
Chitonomyces cmrantiacus Thaxter, 
Figs. 6, 7. Two mature individuals. D 2. 
Chitonomyces borealis Thaxter 
Figs. 8, 9. Two mature individuals. D 2. 
Chitonomyces hyalinus Thaxter. 
Figs. 10, 11. Two mature individuals. D 2. 
Chitonomyces affinis Thaxter. 
Figs. 12, 13. Two mature individuals. D 2. 
Fig. 14. Spore. D 4. 
Chitonomyces lichanophorus Thaxter. 
Fig. 15. Mature individual. J) 2. 
Fig. 16. Spore. D 4. 
Chitonomyces rhyncostoma Thaxter. 
Figs. 17, IS. Two mature individuals. D 2. 
Chitonomyces melanurus Peyritsch. 
Fig. 19. Mature individual. The insertion of the appendage proiects as a papilla from the inner 
margin of the blackened portion. D 2. 
Chitonomyces marginatus Thaxter. 
Figs. 20, 21. Two mature individuals. D 2 
Fig. 22. Spore. D 4. 
Chitonomyces uncinatus Thaxter. 
%. 23. Mature individual D. 
Fig. 21. Young individual. D 2. 
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