5 
4l. 
42. 
43. 
iy 
R 
93 
Influence of calcium on root-hair production. Robertson 
Pratt. 
Protoplasmic streaming in cells of Elodea. Jennie Glazer. 
Separation of chlorophyll a and chlorophyll b. Dora E. Marcy. 
Sorghum seedlings as material for the demonstration of Men- 
del’s law of heredity. Dora 
. Marcy 
p oore: absorption spectrum at chlorophyll. Ronald 
Bamford. 
. Bloodred fluorescence of chlorophyll. Ronald Bamford. 
Growth of wheat as influenced by boron. Helen S. Morris. 
47. 
Growth of wheat roots in relation to hydrogen-ion concentra- 
„ tion of culture solution. Helen S. Morris. 
do 
. Incubator for germination of seeds. Helen S. Mor 
ae chamber with rotating table and AE: ens 
ease. 
. Auto- -irrigators. E. H. Fullin 
E i variation in Coleus. A. B: Sto 
E thesis and respiration of at plants. J. J. Cope- 
; of temperature on locomotion of Beggiatoa. J. J. Cope- 
d. 
58. one hot spring sulphur bacteria from Wyoming. J. J. Cope- 
59, Cytological modifications resulting from culture solutions. 
Ronald Bamfor 
60. Germination of wheat seeds for solution culture experiments. 
Ronald Bamford. 
61. Corn seedlings in solution culture. S. F. Trelease 
62 esium injury of wheat. S. F. Trelea 
63. Soil points for measuring water-supplying power of soils 
64. Porous cup atmometer for measuring evaporation as a cli- 
6s matic factor. 
BL 
70. 
committee, Respectfully _— 
For 
Synchronous motor time switch. 
Rotating tables for asera prone exposure of cultures to en- 
vironmental conditio 
nedict 
. Difference in es between iiid pa “collected in New 
Jersey and in Florida. R. A. Harp 
Abutilon Thompsoni: variegated aed healthy form 
At t 10 o’clock refreshments were served by the Be 
N T. McLean, Secretary 
s 
