110 Botanisches Centralblatt. 



XVI. Landwirtschaftliche Botanik. 



Annuaire (1904) Agricole de la Suisse. Publie par le departement fede- 

 ral de l'agriculture. 5. annee. (Bern, K. J. Wyss. 8°. III, 316 u. 35 pp.) 



Anonymus. 1905. Extraction and Preparation of Rubber. (West Indian 

 Bulletin. Vol. V. p 210—223.) [A resume of recent information on 

 rubber, with special reference to, and including notices of West Indian 

 experiments. The points dealt with include the age for tapping rubber 

 trees, mode of tapping, tapping instruments, preparation of commercial 

 rubber from the extracted latex, and experiments with rubber in Tri- 

 nidad. — W. G. Freeman.) 



Anonymus. 1905. Fertilizing and Feeding Value of Sea-Island Cotton 

 Seed. (West Indian Bulletin. Vol. V. p. 223—232.) [A comparative 

 summary of information relating to sea-island, upland and egyptian 

 cotton seed and products, abstracted, with slight modifications from 

 Bulletin No. 68 of the South Carolina Agricultural Station. 1902. — 

 W. G. Freeman.) 



Anonymus. 1905. The Barbados Banana Industry. (West Indian Bulletin. 

 Vol. V. p. 232 — 235.) (This paper, reprinted from the „Journal of 

 the Society of Arts", November 11, 1904 reviews the efforts which have 

 been made to establish an export trade in the Chinese banana (Musa 

 Cavendishii) from Barbados to the United Kingdom, attention being 

 principally devoted to questions of packing and storage. — W. G. 

 Freeman.] 



Anonymus. 1905. The Rubber of Landolphia Petersiana, from the East 

 Africa Protectorate. (Imperial Institute Bulletin. Vol. II. p 221—222.) 

 [A sample of rubber,, stated to have been prepared from Landolphia 

 Petersiana, showed on analysis 82,5 per Cent, of caoutchouc, and 13,4 

 per cent. of resin, calculated for the dry material. The percentage of 

 resin is rather high, and the rubber compares unfavourably with speci- 

 mens of L. Krikii from the same country. — W. G. Freeman.] 



Baldrati, I. 1904. Fibre tessili da studiare. (Boll. Agric. Colonia Eritrea. 

 An. II. p. 245—253. Con figg.) 



Bromley, R. 1905. The Muscovado Sugar Industry in Barbados and the 

 Leeward Islands. (West Indian Bulletin. Vol. V. p. 195—210.) [The 

 muscovado and vacuum pan processes of making sugar are summa- 

 rized and their advantages and disadvantages considered in relation 

 to local conditions. Detailed figures are given of the total expenses 

 and rescripts of a muscovado estate producing 300 tons of sugar and 

 24 000 gallons of molasses and of a central factory producing 3000 tons 

 of dark crystals, and the profit per ton of sugar is given as 10 s. 2 d. 

 and £ 2, 1 s d respectively. — W. G. Freeman.] 



Büsgen, M. 1905. Zur Guttaperchakultur auf Java. (Tropenpflanzer. 

 Jg. 9. No. 4. p. 193—194.) 



Cavazza, D. 1904. La coltivazione della Broussonetia papyrifera per l'in- 

 dustria della carta. (Giorn. Agric. della Domenica. 1904. p. 240—242. 

 Con figg.) 



Chevalier, A. 1905. Histoire de l'agriculture en Afrique tropicale. (Les 

 vegetaux utiles de PAfrique tropicale francaise. Vol. Fase. I.) 



Chevalier, A. 1905. Les vegetaux utiles de l'Afrique tropicale francaise. 

 Vol. I. Fase. I. 



Chevalier, A. 1905. Un essai d'introduction de plantes utiles dans le 

 centre de l'Afrique. (Les vegetaux utiles de l'Afrique tropicale fran- 

 caise. Vol. I. Fase. I.) 



Chiej-üamacchio, G. 1904. La coltivazione dell'Arachide nella provincia 

 di Torino. (Ann. Accad. Agric. Torino. Vol. XLVI. p. 73—85.) 



Ciaassen, C. H. en J. G. Hazeloop. 1905. Leerboek voor de Groenteteelt. 

 (Zwolle, W. E. J. Tjeenk Willink. 1905. 2. verm. druk. 8°. XII, 

 324, VII pp. Met Afb.) 



Cousins, H. H. 1904. The exports of Jamaica in relation to the soil. 

 (Bull. Dept. Agric. Jamaica. Vol. II. p. 127-132.) 



Damseaux, A. 1905. Les plantes de la grande culture. Agriculture spe- 

 ciale. (Namur 1905. 2. Ed. 8". 480 pp.) 



