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Mandl, Dr. L., et Ehrenberg, D. C. G. Traite Pratique du 

 Microscope et de son emploi dans 1'etude des corps 

 organises. Des recherches sur 1'organisation des 

 animaux infusoires, par D. C. G. Ehrenberg. 14 

 planches. 8vo. Paris, 1839. 



Martin, Benjamin. A New and Compendious System of 

 Optics in 3 parts, including the Camera Obscura, Single 

 and Double Microscopes, the manner of adapting 

 Micrometers to Microscopes, etc. Plates. 8vo. 



London, 1740. 



2. The Description and Use of an Opake Solar Microscope, in 

 which all opake bodies, whether of animal, vegetable, 

 fossil, or marine production, are shewn in the greatest 

 perfection in all their native beauties of lights, shades, 

 prominences, cavities; and all varieties of different 

 hues, tints, and colours, heightened by reflection of solar 

 rays condensed upon them to an amazing degree. At 

 the same time all transparent objects are also shewn in a 

 jiew light and in a manner peculiar to this instrument. 

 Illustrated by a copper-plate section of the microscope 

 in its full length. 8vo. London, 1774. 



3. The Description and Use of a New-Invented Pocket Reflect- 

 ing Microscope, with a Micrometer. 2 plates. 8vo. 



Chichester. N.D. 



4. Optical Essays. Containing a practical Description of several 

 sorts of Single, Solar, and Compound Microscopes, with 

 their apparatus and last improvements, etc. Plate. 8vo. 



London. N.D. 



Martin, John H. Microscopic Objects figured and described. 

 With 194 figures. 8vo. London, 1870. 



2. A Manual of Microscopic Mounting, with Notes on the Col- 

 lection and Examination of Objects. Ed. 2. Illustra- 

 tions. 8vo. London, 1878. 



