xxii Journal of Agricultural Research voi. v 
Fig. 8. Curve showing the percentage of moisture moved from a moist and 
warm column to a dry and cold column of Miami silt loam, and from a 
moist and cold to a dry and warm column of Miami silt loam. 164 
9. Curve showing the percentage of moisture moved from a moist and 
warm column to a dry and cold column of Clyde silt loam, and from 
a moist and cold to a dry and warm column of Clyde silt loam. 165 
10. Curve showing the percentage of moisture moved from a moist and 
warm column to a dry and cold column of Miami clay, and from a 
moist and cold to a dry and warm column of Miami clay. 166 
11. Curve showing the evaporation of water from Takoma soil fed with 
tap water: A , Soil under humid conditions; B, soil under arid 
conditions; C, water under arid conditions; D, water under humid 
conditions. 170 
Soil Temperatures as Influenced by Cultural Methods 
Fig. i. Typical charts of soil temperatures during the winter season. 178 
2. Typical charts of soil temperatures during the spring time. 178 
3. Typical charts of soil temperatures during the summer months. 179 
4. Typical charts of soil temperatures during the fall of the year. 179 
Pathogenicity and Identity of Sclerotinia libertiana and Sclerotinia 
SMILACINA ON GlNSENG 
Fig. 1. Sclerotinia libertiana: A, Camera-lucida drawing showing branched and 
unbranched paraphyses, asci, and ascospores; B, camera-lucida 
drawing showing methods of ascospore germination. 294 
Influence of Growth of Cowpeas upon Some Physical, Chemical, and 
Biological Properties of Soil 
Fig. 1. Soil-shading device, showing construction. 441 
2. Device for testing the compactness of the soil... 442 
Biology of Apanteles militaris 
Fig. 1. Apanteles militaris: A , B , C, Diagrammatic sectional views of the 
posterior end of the embryo, showing how the hypertrophied cells 
of the hind gut, which ultimately form the caudal vesicle, grow out 
through the anus. D shows an external view of this process. 497 
Hourly Transpiration Rate on Clear Days as Determined by Cyclic 
Environmental Factors 
Fig. i. Curve showing the comparison of the readings of the differential 
telethermograph with those of Abbot's silver-disk pyrheliometer. . . 585 
2. Composite transpiration graph of wheat and environmental graphs 
for corresponding period. 591 
3. Composite transpiration graphs for the three varieties of wheat from 
which the composite graph of figure 2 was obtained. 592 
4. Composite transpiration graph for oats, with environmental graphs 
for corresponding periods. 593 
5. Composite transpiration graph of sorghum, with environmental graphs 
for corresponding period. 601 
6. Composite transpiration graph of rye, with environmental graphs and 
evaporation graph for corresponding period.*. 603 
7. Composite transpiration graph of alfalfa, with environmental graphs 
and evaporation graph for corresponding period. 617 
