Circulars reprinted, No. 52, 636; No. 53, 651; No. 54, 81; No. 55, 555.
Circulars for 1917, list of.

Classification card characteristics of soil bacteria.

9

195

200

relation of weather conditions to growth and winter injury.....594, 602, 603

Maintenance fund of Station..

Market milk, grading by agar plate and microscope count
grading by microscope count..

Mensching, James E., appointment as associate chemist.
Meteorological records for 1917.

11, 12

250

256

10

712

Microscope, use in milk grading.

Milk bacteria, average size of groups on microscope slide..
character of groups on microscope slides..

colony count and microscope count, comparisons.
data from quantitative studies..

methods for quantitative study.......

size of groups affecting count.

certified, quality of.

cleanliness.

counting bacteria in..

dairy score-card uncertain index to quality.
food value of..

goat, chemical study of.

composition..