1 Catalogue of Books. 



Northamptonshire Natural History Society, Journals. 3 vols. 1882 

 to 1887. 



Octopus, Tlie. Henry Lee. 1875. 



Ostracotla from the Fuller's Earth, Oolite and Bradford Clay, On some. 

 J. Rupert Jones d G. D. Sherborn. 1888. 



Peruvian Bark. C. R. MarTcham. 



Pliotographie, Traite de. Lerehours. 1843. 



Photography, British Journal of. 1891. 



Photography, British Journal Almanac of. 1886. 



Photography, Modern. W. K. Bwrton. 1885. 



Pictorial Effect in Photography. H. P. Bobinson. 1886. 



Picture-making by Photography. E. P. Bobinson. 



Pictures of East Anglian Life. Emerson. 



Podophthalma, Embryology of the. Pamphlet. 



Polarized Light. Chas. Woodiuard. 1861. 



Pond Life, Marvels of. H. J. Slaelc. 1871. 



Portrait Photography, Practical. Wm. Heighivay. 1882. 



Public Health, Pieports of. John Simon. 1887. 



Quekett Microscopical Club, Journal of the. 5 vols. 1879 to 1891. 



Eainfall, British. G. J. Symons. 12 vols. 1865 to 1870. 

 Bainfall, Systematic Observations and Kecord of. G. J. Symons. 

 Eosarius Year Book, The. Bev. H. H. D'07nbrain. 7 vols. 1877, 



1879 to 1884. 

 Eotifera, The. Hudson S Gosse. 2 vols. 

 Eoyal Microscopical Society, Jom-nal of the. 37 vols. 1868 to 1877, 



and 1879 to 1891. 

 Eoyal Microscopical Society, The President's Address. 1870. 

 Eoyal Society, Philosophical Transactions of the. 17 vols. 1665 — 



1809. 



Science Gossip, Hardwicke's. 9 vols. 1881 to 1889. 



Scientific Directory, International. S. E. Cassano. 1885. 



Scientific Terms, Dictionary of. W. M. Buchanan. 1876. 



Sea Fables Explained. Henry Lee. 1884. 



Sea Marks, Our. E. Price Edwards. 1884. 



Sea Monsters Umnasked. Henry Lee. 



Selborne, Natural History of. Gilbert White. 2 vols. 1877. 



Shells, Collectors' Manual of Land and Freshwater British. L. E. 



Adams. 1884. 

 Shells, Land and Freshwater British. Wm. Turton. 1857. 

 Shells, Eecent and Fossil. S. P. Woodtvard. 2 vols. 1851. 

 Smithsonian Institute, Washington, Eeports of. 7 vols. 1882 to 1886. 

 Societies, Year Book of Scientific and Learned. 2 vols. 1886—87. 

 Spectrum Analysis as applied to Microscopical Investigation. W. T. 



Suffolk. 1873. 

 Spectrum, A New Method of Measuring and Eecording the Bands in 



the. Thos. Palmer. 

 Spectrum, Changes in, caused by Vegetable Colouring Matters. Thos. 



Palmer. 

 Subsidences on Blackheath. Pamphlet. 



Valerians, On the Two. W. H. Beeby. 1888. 



