210 Allgemeines. 



Top working crchard trees. G. Harold Powele. 

 Gives a brief sketch of methods, materials used, and purposes oi 

 grafting and budding orchard trees. 



The iniluence of forestry upon the lumber industry. 

 Overton W. Price. 



The general result is toward conservative methods which will ensure 

 a steady supply of timber. Lumbering will become a permanent and 

 legitimate business. 



The Agaves, a remarkable group of useful plant s. 

 E. W. Nelson. 



A brief account of the character and distribution, principal types, 

 and uses of Agaves. 



Chemical studies of some forest products of economic 

 importance. Wm. H, Krug. 



Is an account of chemical analyses of wood and bark of western 

 hemlock, red oak. chestnut oak, white oak, and black oak. Also a short 

 discussion of turpentine adulteration. 



Improvement of cotton by seed selection. Herbert 

 J. Webber. 



An outline of methods of selection and an account of the improve- 

 ments yet to be attained. 



Flaxseed production, commerce, and manufacturein 

 the United States. Chas. M. Daugherty. 



An account of the growth and developement of flaxseed production 

 and manufacture, migratory character of the western crop, Statistical 

 history of flax seed production in the United States, the internal 

 commerce, and products of flax seed and their uses, especiaily of 

 linseed oil. 



Promising new fruit s. Wm. A. Taylor. 



Includes descriptions and figures: Stayman Winesap apple, 

 Randolph apple, Philopena pear, Belle 1. c. Fe ach, Wille tt 

 peach, Brittlewood plum, Stoddard plum, and Jordan almond. 



Plants as a factor in home adornment. L. C. Corbett. 



Improvement of corn by seed slection. C. P. Hartley. 



A general account of the possibilities of increase in yield and 

 improvement in quality of corn, natural methods of pollination, importance 

 of stalk, ear, and kerne! in selecting seed, points to be considered in 

 selecting seed, importance of a seed patch, time and manner of selecting 

 seed, keeping seed through the winter. and advisability of buying 

 seed corn. 



In the appendix is given a Condensed account of the 

 „Plant diseases in the United States in 1902". Wm. A. Orton. 



This includes diseases of apples, pears, and quinces; peaches and 

 other stone fruiis; smal! fruits; subtropical iruits; fieid and truck crops; 

 cereals ; cotton; nuts and forest and shade trees; greenhouse and 

 ornamental plants; and plant diseases in our Island possessions. 



Perley Spaulding. 



Herrera, [A. L.J, Le röle preponderant des substances 

 minerales dans les phenomenes biolog iques. 

 (iMem. Soc. Scient. Antonio Alzate. XIII. 1903.' p. 337 

 —348.) 



Etendant ses conclusions anterieures (Botan. Centralblatt. 

 XCIl. p. 513) l'autenr considere les etres vivants comme des 

 mineraux coiloYdes et la Zoologie et la botanique comme des 

 chapitres de la mineralogie. Sans nier d'une maniere syste- 

 matique l'importance des 600 corps organiques extraits des 



