On photos, if black letters do not show up well, use white ones. Panels should be a same size, whenever possible. Font and font size must be consistent on panels. Arrange panels to minimize repetition of symbol legends and axes labels. Do not leave unnecessary space between panels.
Photomicrographs require a scale in the photo.
Be sure to number all review copies of figures. Number photographs on the back, in pencil. Printed manuscripts will be scanned to create a pdf file for reviewing. This file will be used for the initial reviewing process. Suggestions for reviewers are strongly encouraged.