MUSHROOM SPORE-PRINTS I43 



print of this kind is of course very fragile, and 

 must be handled with care. But a comparatively 

 slight deposit of the spores, without apparent 

 thickness, will give us the most perfect print, while 

 at the same time yielding the full color. Such a 



print may also be fixed by our present method so 

 as to withstand considerable rough handling, all 

 that is required being to lay the print upon a wet 

 towel until the moisture has penetrated through 

 the paper and reached the gum. The spores are 

 thus set, and, upon drying the paper, are quite se- 



