96 FORESTRY IN SPAIN. 



valuation of the increase by growth of the vegetable 

 covering in one or more years ', and the valuation of the 

 vegetable covering of a whole forest, in the condition of a 

 formal series of compartments in successive stages of 

 growth, and preparation for thinning and felling. 3. 

 Valuation of a forest, comprising both ground and crop 

 by its abstract value, its cost, and the price it would 

 bring if sold viz., with a valuation of its returns or rent. 

 4. Determination of forest returns or rent that of the 

 ground ; that of the crop ; and that of the forest com- 

 prising both. And there are appended tables for the 

 calculation of interest on the bases of different factors. 



In 1880 was published a volume entitled Elemenlos de 

 Tasacion Forestal por el Ingeniero Cav. Francisco Piccioli, 

 Director de la Real Escuela de Monies de Valambrosa Traduci 

 dos del Italiano por R. Alvarez tieriex Alamno de la Escuela 

 Especial de Ingenieros de Monies, Elements of Forestal 

 Taxation by the Cavalier Francisco Piccioli, Forest Engineer 

 and Director of the Royal School of Forestry at Vallain- 

 brosa, translated from the Italian by R. Alvarez Seriox, 

 rh've. of the School of Forest Engineers, Alumnus. 



The two parts of this work by Cav. Piccioli, remarks 

 Senor Alvarez, though intimately connected are yet 

 severally complete, and both manifest similarly excellencies 

 of lucidity in arrangement, and a free style in strictest 

 harmony with mathematical precision. In the flowing 

 language of Ariostu, and others of his country's literary 

 men, he describes the implements, and the mode of using 

 them in collecting the data required, and the application 

 afterwards made of the data obtained. 



The Taxation relates to the determination of the material 

 at the command of the engineer ; the Assessment has to do 

 with the determination of what may be utilised. As 

 stated, it is the first part only of the Cavalier Piccioli's work 

 which is brought under consideration. The fundamental 

 data required tor taxation are measurements of the trees, 

 of each and all, or of a number of them so selected as to 



