1891.] Presents. 193 



Results of the Field and other Experiments at Rothamsted, 



Herts. 1891. 4to. London. Sir J. B. Lawes. 



Pierce (G. W.) The Life-Romance of an Algebraist. 8vo. Boston 



1891. The Author. 



Piesse (C. H.) Art of Perfumery. Fifth edition. 8vo. London 



1891. The Author. 



Richardson (B. W.), F.R.S. Thomas Sopwith, M.A., C.E., F.R.S., 



with Excerpts from his Diary of Fifty-seven Years. 8vo. London 



1891. The Author. 



Roche (E.) Memoires de Mathematiques et d' Astronomic. 4to. 



Montpellier 18441882 ; Le Climat Actuel de Montpellier. 4to. 



Montpellier 1882. Prof. A. Roche. 



Schlich (W.) A Manual of Forestry. Vol. II. 8vo. London 1891. 



The India Office. 



Symons (G. J.), F.R.S. British Rainfall, 1890. 8vo. London 1891. 



Mr. Symons. 

 Thome (R. Thome), F.R.S. Diphtheria : its Natural History and 



Prevention. 8vo. London 1891; The Progress of Preventive 



Medicine during the Victorian Era. 1837 1887. 8vo. London 



1888. With a copy of the Report of the Medical Officer of the 



Privy Council, 1870. 8vo. London 1871. 



Dr. Thome Thorne. 

 Very (F. W.) Prize Essay on the Distribution of the Moon's Heat 

 and its Variation with the Phase. 8vo. The Hague 1891. 



Society of Arts and Sciences, Utrecht. 

 Warington (R.), F.R.S. The Chemistry of the Farm. Sixth edition. 



8vo. London 1891. The Author. 



Williamson (B.), F.R.S. An Elementary Treatise on the Integral 



Calculus. Sixth edition. 8vo. London 1891. The Author. 



Wolf (R.) Astronomische Mittheilungen. April, 1891. 8vo. 



[Zurich.] The Author. 



Rectangular Bronze Medal struck in honour of M. Gr. A. Hirn. 



M. Grosseteste, Miilhausen. 



