THE TECHNOLOGIST. [March 1, 1865. 



Plantes Medicinales de Maurice. Par Louis Bouton. 



This is the second edition of a valuable treatise on the medicinal plants 

 of Mauritius, by the Curator of the Colonial Museum at Port Louis. 

 The descriptions are brief, but the English, French, and native names 

 are given, as well as the scientific ones. 



Ensayo Sobre el Cultivo de la Cana de Azucar. Por D. Alvaro 

 Reynoso. Second Edition. Printed at the expense of the Govern- 

 ment. Madrid : M. Rivadeneyra. 



This Spanish treatise is highly interesting, from being the result of the 

 practical labours of a scientific planter, who has carried on the culture 

 of the sugar-cane in Cuba on an extensive scale, and availing himself of 

 all the modern improvements which machinery, new manures, and 

 chemical research can give. 



Engraving and other Reproductive Art-Processes. By S. T. 

 Davenport. "W. Trounce. 



This is a valuable and exhaustive paper, reprinted from the " Society 

 of Arts Journal," which summarises all that has been done in the 

 various art-processes of engraving. 



Naval Armour. By James Chalmers. W. Mitchell. 



This treatise deals with an important and interesting subject, but one 

 with which we do not profess to deal in our pages. It is chiefly 

 devoted to the armour-plating of ships and targets, and especially treats, 

 as a matter of course, of the author's own system of compound backing. 



