42 FORESTRY IN SPAIK. 



tant in sylviculture, and amongst these are specimens of 

 all the species found in the forests of Spain. 



Another is composed of 103 species of birds, of which 

 there are 1 41 specimens ; the most numerously represented 

 being the raptores and the passeres. Another of 37 species 

 of reptiles' and bactrians, and some river fishes. 



A collection of lu'41 -specimens of insects, distributed 

 under 522 genera and 1000 species, comprising a great 

 part of the foreign as well as indigenous species useful and 

 . hurftul to forests. 25 picture-frames contain woods attacked 

 by insects; in each of these is a specimen of the wood, 

 with the damage done, and the insects by which it is 

 attacked. 



A collection of nine anatomical frames represent in wax 

 figures, on a large scale, the digestive apparatus of certain 

 insects, the ovaries and spawn of the lobster, and the 

 nervous system of the cephalopods, prepared by D. Jacinto 

 Castro, the naturalist preparer of the school. 



There are also two collections of shells, composed one of 

 102 species, and the other of 196 species, consisting of 400 

 specimens, the latter prepared by Senor D. Luis Urrejola, 

 an engineer- iti -chief of the corps. Besides these, there 

 are sundry small collections for use by the professors and 

 in the practical studies of the alumni. 



The programme of Sylviculture studied in this the third 

 year of the course, comprises ; 1. The natural history, &c., 

 of different species of trees cultivated. 2. Extent of succes- 

 sive fellings, and duration of cycle or period embraced 

 between sowing and clearing of successive crops; and 

 methods of exploitation : timber forests, coppice woods, 

 and mixed forests. 8. Methods of felling, and theory of 

 clearings. 4. Sowing, gathering, and preservation of seeds. 

 5. Preparation of the ground for sowings. 6. Season, and 

 method most to be preferred in different cases. 7. Plan- 

 tations, perches, and poles. 8. Cultivation of wood, and 

 of drift sands. 9. Reboisement and creation of turf on 

 mountains. 10. Pastures and protection against trespasses. 



