6i 



Pringsheim, H. Ueber die Absorptionsspectra der Chloro- 

 phyllfarbstoffe. i Tafel. Monatsb. d. k. Akad. d. 

 Wiss., Berlin, 1874, p. 628. 8vo. Berlin, 1874. 



Prinz, W. Etudes sur des coupes de Diatomees observees 

 dans des lames minces de la roche de Nykjobing 

 (Jutland). i planche. Extr. Annal. Soc. Belg. d. 

 Microscopic, Tom VII. 8vo. Bruxelles, 1880. 



Prinz, W., et Van Ermengem, E. Recherches sur la 

 Structure de quelques Diatomees contenues dans ie 

 Cementstein du Jutland. 4 planches. Extr. Annal. 

 Soc. Belg. d. Microscopic, Tom. VIII. 8vo. 



Bruxelles, 1883. 



Pritchard, Andrew, and Goring, C. R, M.D. The Micro- 

 scopic Cabinet of Selected Animated Objects, with a 

 description of the jewel and doublet microscope, test 

 objects, etc., to which are subjoined memoirs on the 

 Verification of Microscopic Phenomena, and an exact 

 method of appreciating the quality of microscopes and 

 engiscopes, by C. R. Goring, M.D., with figures and 

 coloured plates. 8vo. London, 1832. 



Proctor, R. S. Some Remarks upon Light. A paper read 

 before the Microscopical Society of Newcastle-upon- 

 Tyne. Vol. III., N. Ser., p. 151. 8vo. 



Pumphrey, William. The Microscope in the Lecture and 

 Class-room. From Journ. Microscopy and Nat. Sci., 

 Vol. VI., p. 141. 8vo. London and Bath, 1887. 



Quekett, John, F.R.S. Lectures on Histology, delivered at 

 the Royal College of Surgeons of England, in the 

 Session 1850 51. Elementary Tissues of Plants and 

 Animals. 159 woodcuts. 2 Vols. 8vo. London, 1852. 



2. A Practical Treatise on the use of the Microscope, including 

 the different methods of preparing and examining 

 animal, vegetable, and mineral structures. Ed. 3, with 

 additions. 10 plates and 306 illustrations. 8vo. 



London, 1855. 



3. Presidential Address to the Royal Microscopical Society of 

 London for the year 1861. 8vo. London, 1861. 



