756 EXPERIMENT STATION EECORD, 



J). — 111 adflitioii to notes on the exhibits jind slvotclies of the rnl)lH'r industry 

 in the several countries represented, consideration is given to the rubber indus- 

 try as a whole relative to the total area planted to rubber and estimates of 

 future production, the labor question and cost of planting operations, varieties, 

 and methods and cost of harvesting and preparing rubber. 



Reports of the superintendent of forests for 1904-1906, W. F. Fox {N. Y. 

 tiicitr Forest. Fish (iii<l (linnr Com. Ami. Rpts.. 10-1.2 (lDO'i-1906). pp. 35-112, 

 pis. 7, fig. 1). — These reports are similar in nature. The report for 1!»04 (E. S. 

 11., 17, p. 871) and the report for 1900 (K. S. R., 19, p. 1147) have been noted 

 as separates. 



A statistical review of the forest administration of the Grand-Duchy of 

 Baden for the year 1906 (Statis. ^'<lchlr. Forstrrnr. Baden. 2H (in06), pp. 

 XXI +135, dgms. 9). — In addition to the statistical data for 1906 of forest areas, 

 planting and cutting o]iei'ations, yields, and revenue from various forest 

 products comparative data are given for the period from 1878 to 1905. 



Handbook for the Prussian forester, R. Radtke ( Handhuch fiir den Preiis- 

 sichen. Ff'irster. Xeudanun, 1908, //. cd., pp. XXXI] +999).— This is a handbook 

 of information relative to the state, communal, and private forest service of 

 Prussia, the training and duties of foresters and forest guards, forest laws, 

 regulations, etc. 



Fire protection on the ticket-patrol system, I). X. Avasia (Indian Forester, 

 S'f (1908), Xo. 11, pp. 653-657, fig. 1). — A brief description is given of the 

 system of fire protection as carried out in the Allapilli teak forests in the South- 

 ern Circle of the Central Provinces, Iiidi;i. 



DISEASES OE PLANTS. 



Diseases and injuries to cultivated plants in 1905 (Tier. Landir. ReieJisamte 

 Innern [(iennanii], Xo. 5. pp. yiI + 16S). — After reviewing the weather in rela- 

 tion to crop diseases and pests in Germany, a compilation is given of tlie 

 diseases and insect injuries of cereals, root crops, forage plants, tiber plants, 

 hops, tobacco, orchard fruits, grapes, vegetables, forest trees, etc. A tabular 

 summary showing the distribution of the diseases, host plants, relative .-imount 

 of injury, etc., concludes the report. 



The potato black scab, T. Johnson (Xature [London]. 79 (190S), Xo. 2038. 

 p. 67). — The author reports that the abundant occurrence of the black scab of 

 potatoes, due to Chri/sopJilijctis cndohioliea, has enabled him to carry on some 

 studies on the life history of the fungus. He has found that the so-called 

 spores have proved to be zoosi)orangia and has studied the effects of temiH?ra- 

 ture, nutrition, moistui-e. and light on their germination. 



Soil sterilizing', Bordeaux mixture, and poisons for tobacco seed beds, 

 W. T. HoRNK (Estac. Cent. Agron. Cuba Circ. 30, pp. II). — Notes are given on 

 hot-water sterilization of tobacco seed beds, the use of Bordeaux mixture for 

 the control of the damping-otf fungus, and poisonous baits for insects that 

 affect tobacco plants in the seed bed. 



Bust on wheat, J. M. IIayman (Rpt. Catrnporc [India] Agr. Sta., 1907,^ 

 pp. 5.'i-57). — For a number of years wheat has been grown in glass cages at the ] 

 Cawnpore Station, the object of the investigation being to determine whether 

 rust will apiiear on wheat grown under conditions which exclude the possi- .■; 

 bility of external infection. In all, 195 plants have been gi-own under pro-* 

 tective conditions, and up to the end of the season of 1906 only negative results 

 had been obtained. In 1907, however, a few pustules of rust were found 

 occurring on the wheat plants in different glass cases. While there may have 

 been some means for external infection, it is thought by the author to be , 



I 



