IV 
Journal of Agricultural Research 
Vol. XXIX 
P ag« 
Studies on the Inheritance of Earliness in Wheat. Victor H. Florell 
(5 text figures)___ 333 
The Vitality of Buried Seeds. W. L. Goss (2 plates)_ 349 
Postnatal Growth of the Body, Systems, and Organs of the Single-Comb 
White Leghorn Chicken. Homer B. Latimer (31 text figures)_ 363 
Geranium Stemrot Caused by Pythium complectens n. sp. Host Resist¬ 
ance Reactions; Significance of Pythium Type of Sporangial Germina¬ 
tion. Harry Braun (5 plates; 3 text figures)_ 399 
Alternaria Leaf spot and Brownrot of Cauliflower. J. L. Weimer (4 plates; 
3 text figures)_ 421 
The Dustfall of February 13, 1923. Alexander N. Winchell and 
Eric R. Miller (2 text figures)_ 443 
Preparasitic Stages in the Life History of the Cattle Hookworm ( Busto - 
mum phlebotomum.) Benjamin Schwartz (4 text figures)_ 451 
A Mycorrhizal Fungus in the Roots of Legumes and Some Other Plants. 
Fred Reuel Jones (2 plates; 3 text figures)_ 459 
Observations on the Mechanism of the Reaction Between Formaldehyde 
and Serum Proteins. R. R. Henley (2 text figures)_ 471 
A Bacterial Leafspot of Martynia. Charlotte Elliott (3 plates)_ 483 
Relation of Sheep to Climate. Everett L. Johnson (18 text figures)_ 491 
Tolerance and Resistance to the Sugar Cane Mosaic. C. W. Edgerton 
and W. G. Taggart (1 plate)_ 501 
Further Studies on the Relation of Onion Scale Pigmentation to Disease 
Resistance. J. C. Walker and Carl C. Lindegren_ 507 
Asexual Propagation as an Aid to the Breeding of Rootstocks. Walter 
Scott Malloch (1 plate)_ 515 
The Diagnosis of Decay in Wood. Ernest E. Hubert (11 plates; 6 text 
figures)_ 523 
Total Ash Determination in Spices. A. L. Mehring_ 569 
Life-History Studies of the Tobacco Flea-Beetle in the Southern Cigar- 
Wrapper District. F. S. Chamberlin, J. N. Tenhet, and Adam G. 
Boving (7 text figures)_ 575 
The Differentiation of Primary Isolations of Bacterium melitensis from 
Primary Isolations of Bacterium abortus (Bovine) by Their Cultural 
and Atmospheric Requirements. John M. Buck_ 585 
Feed Cost of Milk Production as Affected by the Percentage Fat Content 
of the Milk. W. L. Gaines (2 text figures)_ 593 
Relation Between the Diet, the Composition of the Blood, and the Secre¬ 
tion of Milk of Dairy Cows. C. A. Cary and Edward B. Meigs (12 
text figures)_ 603 
