128 Correspondence of J. Nickles. 



called '^Chemm de Fer Glissant " (sliding railways) by M. Girard. In this 

 system there are neither wheels nor axles; the carriages are true sledges 

 eliding upon hollow runners moving upon rails sufficiently large. The 

 runners contain water under pressure, which is designed to raise them, and 

 by seeking to escape from all parts to prevent all friction of metal upon 

 metal. Girard makes his experiments at the expense of the Empero 

 the French. This railway system moves upon a r ' " ' ' 



and for one on this scale the results are already 

 Bibliographi/. 



The fundamental conclusion of this wort 



The author shows this by new facts drawn from 



llography. Thus the composition and the crystaline form of PAs.PSb, 



aiKanne cmorias, Dromias or loaias ; he describes a great ni 

 tions, distributed in isomorphous groups ; the more interest! 

 at once both bismuth and antimony replacing each other isomorphicallv. 

 _ L. Figuier.—" L'Annee Scientifique Industrielle," 6th year, 1862. Every sc 



work which is devoted principally to the practical application of scientific fs 

 The work is in its sixth year and its success is already assured. 



Pietra Santa.—" Chemins de Fer et Sante Publiquer 1861, 12mo. T!,i^ 

 devoted chiefly to the hygiene of travellers by railways and also that of empi ■; - 



upon health. He examines carefully all that relates to this question; for example 

 the Daltonism or Fseudochromotopsy (color-blindness), an affection which is atten- 

 ded with danger when it is a railway employee who is affected. The work clo^e? 

 with extensive bibliography of all which has been published upon the subject. 



Jules Simon.— L' Ouvriere, in 12mo, 4th edition. 1862. This work of high moral 

 and social position, is principally devoted to the different questions relating to op- 

 eratives in modem workshops, especially those situated in France. Its author, Io« 

 of the most independent and celebrated of living philosophers, has recorded in this 



facturing centres in France. There is not a manu"facturing^t?wn which he ha* !>;t 

 Tiaited with care, as well as the different organizations established to impr 

 condition of the laboring people. 



_ M. Jules Simon gives the preference to the city manufacturers of Mulhoi;= 

 Ked under the direction of the Industrial Society of this important mauu: 



Coumef.—Traite de V Enckainement des Indies dans les Sciences et dans IK 

 2 vols. 8vo. 1861. See this Jour., xxxi, 111. 



Charles Roger Bacon: Sa Vie; ses Ouvrages des Doctrines, d'Apres des Tex'--:' 

 Inedits. 1 vol. 8vo. 1861. See this Jour, xxxiii, 110. 



Quatrefages. Unite de VEspeee Humaine. 1 vol. 12mo. 1861.— This work is » 

 reaumd of the lectures delivered by the author as Professor of Anthropology at m 



contested in view of the latest geological discoveries. (See correspondent ■ 

 Journal, [2], xxix, p. 269.) 



Ltcoq.~La Vie des Fleurs. 1 vol. 1 2mo. 1861.— We have frequently n. 

 the valuable labors of Lecoq the Naturalist, Professor of iS^atural His'trr 

 1 acuity of Sciences of Clermont, and a Correspondent of the Institute i - 



