1893.] Presents. 355 



Hooker (Sir J. D.), F.R.S. The Flora of British India. Part 19. 



8vo. London 1893. The India Office. 



Hume (W. F.) Chemical and Micro-Mineralogical Researches on 



the Upper Cretaceous Zones of the South of England. 8vo. 



London 1893. The Author. 



Huyghens, Christiaan, CEuvres Completes de. Vol. Y. 4to. La 



Haye 1893. Societe Hollandaise des Sciences, Haarlem. 



Issaly (L'Abbe) Theorie Mathematique Nouvelle de la Polarisation 



Rectiligne des Principaux Agents Physiques et, specialement, de 



la Lumiere. 8vo. Bordeaux, The Author. 



Janson (0.) Versuch einer Ubersicht iiber die Rotatorien-Familie 



der Philodinaeen. 8vo. Bremen 1893. 



Naturwissenschaftlicher Verein, Bremen. 

 Kensington (A.) Cuetomary Law of the Amballa District. Vol. X. 



8vo. Lahore 1893. The India Office. 



Kops (J.) Flora Batava. Aflev. 301302. 4to. Leiden [1893]. 



The Netherlands Government. 

 Kuhn (M.) Ueber die Beziehung zwischen Druck, Volumen und 



Temperatur bei Gasen. 8vo. Wien 1893. The Author. 



Lingard (A.) Report on Horse Surra. Vol. I. Folio. Bombay 



1893. The Author. 



Love (A. E. H.) A Treatise on the Mathematical Theory of Elas- 

 ticity. Vol. II. 8vo. Cambridge 1893. The Author. 

 Liitken (C. F.) E Museo Lundii. Bind II. Halvbind 1. 4to. 



Kjobenhavn 1893. 



The Zoological Museum, Copenhagen University. 

 Maillot (H.) Dissertation sur les Systemes des Poids et Mesures et 



de Numeration. 8vo. Chateauroux 1892. The Author. 



Marsh (0. C.) Description of Miocene Mammalia. 8vo. New 



Haven 1893 ; Restoration of Coryphodon. 8vo. [New Haven] 



1893. The Author. 



Massalski (U. W.). De 1'Identite de la Matiere. 8vo. Louvain 



1877. The Author. 



Mohn (H.) Studien iiber Nebelsignale. 8vo. Berlin 1892-93. 



The Author. 



Newsholme (A.) The Brighton Life Table. 8vo. Brighton 1893. 



The Author. 

 Newton (H. A.), For. Mem. R.S. Fireball of January 13th, 1893. 



8vo. [New Haven.] The Author. 



Niblett (J. T.) Portative Electricity ; being a Treatise on the 



Application, Methods of Construction, and the Management of 



Portable Secondary Batteries. 8vo. London. The Author. 



Norman (J. H.) Coin of the Realm, What is it ? 8. London 



1890. [And two other Pamphlets.] The Author. 



Ocagne (M. d') Sur la Determination Geometrique du Point le 



