ISO 



CHAPTER VIII. 



On Photo = Micrography. 



IT is not intended to claim any originality for the 

 subject of this chapter, since the application of 

 photography to the delineation of microscopical 

 preparations is almost as old as the photographic 

 art itself, extending back even to the days of the 

 daguerrotype. Microscopists of the present gene- 

 ration should think of this, and while paying tribute 

 to the patient perseverance with which their fore- 

 runners must have worked under all sorts of dis- 

 advantages, should blush that, notwithstanding all 

 the recent advances and all the simplicity of the 

 gelatino-bromide process, so few avail themselves 

 of the facilities it affords for the truthful and beau- 

 tiful delineation of the objects of their study. The 

 chief reason for this neglect is probably the idea 

 among the uninitiated that photography is a very 

 complicated and difficult art, dependent upon a very 

 uncertain condition in our climate bright day- 

 light and that unless one had the necessary 

 day-time leisure and were expert in ordinary 

 photography it would be useless to attempt this 

 special application of the art. It is to expose the 



