Additions to the Lihrary. xi 



Mayer, A. M. Ou a simple and precise method of measuring the wave-lengtlis and 

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 Journal of Science and Arts, 1872-3. From the Autlior. 



Perry, J. B. Discussion of sundry objections to Geology. Cambridge, 1870. 8°. 



Queries on the red sandstone of Vermont. Boston, 186S. 8°. 



From the Author. 

 Preudhomme de Borre, A. Note sur le Byrsax gibljifer. Bruxelles. 8°. 



Description d'une nouvelle espece du genre Varan. Bruxelles. 8°. 



(Classification et distribution des Cicindcletes. Bruxelles. 8°. 



From the Author. 

 Quetelet, A. Physique Sociale ou essai sur le developpement des facultes de I'homme. 



T. II. Bruxelles, 1869. 8°. 

 Anthropometric ou mesure des diffcrentes facultes de Thomme. Bruxelles, 



1871. 8°. 



Observations des pheuomenes periodiques, 1867-S, 1869. 4°. 



12 Extraits des Bulletins de I'Academie Royale. 8". 



From the Author. 

 Saussure, H. de. Mcmoires pour servir a I'histoire naturelle de Mexique, des Antilles 

 et des Etats Unis. 4"'^' Meraoire, Tome ii, 1, Geneve, 1871. 4°. 



From the Author. 

 Schaufuss, L. W. Das Graberfeld bei Gauernitz. 1871. 8°. From the Author. 



Schiaparelli, G. V. e Denza P. F. Sulla grande pioggia di stelle cadenti, 27 Nov., 



1872. Milano. 8°., From- the Authors. 

 Seguin, M. Memoire sur la chaleur. Paris, 1865. 8°. 



' Memoire sur I'aviation. Paris, 1866. 8°. From the Author. 



Winchell, N. H. Geological and Natural History Survey of Minnesota. First An- 

 nual Report, 1872. St. Paul, 1873. 8°. From the Autlior. 



