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INFORMATION FOR GlI.ADUATE STUDENTS 159
These examinations will ordinarily be given once a year: that in
organic chemistry at about the end of the first term; inorganic
chemistry, middle of second term; physical chemistry, end of second
term; colloid and surface chemistry, end of third term.
Each of the examinations will be graded as a whole. A grade of
A or B is to be accepted as passing in each of the examinations; in
addition C is to be accepted as passing in organic chemistry for
students working mainly in physical or inorganic chemistry, and in
physical chemistry for students working in organic chemistry.
After a second failure in anyone of these examinations, the student
will not be allowed to reregister in a subsequent academic year
except with special permission of the Division of Chemistry and
Chemical Engineering.
The written report must be a satisfactory description of the applicant's
research up to the date of his application. By this report and
his laboratory work the applicant must have given evidence of his
industry and ability in research, and of his power to present his results
in clear, forceful language and with discrimination as to what is
essential in scientific papers.
2. It is expected that the applicant shall have studied mathematics
and physics substantially to the extent that these subjects are covered
in the first two years of the Institute undergraduate courses. In cases
where the applicant's training is less extensive than this, the Division
of Chemistry and Chemical Engineering may prescribe additional
work in these subjects prior to recommending him as a candidate.
3. The forty-five units of study offered for satisfaction of a
minor requirement are to consist in general of graduate courses other
than research; however, the Division of Chemistry and Chemical
Engineering may, by special action, permit up to twenty-three units
to consist of appropriate research.
4. After admission to candidacy a student must in general pursue
advanced study and research for not less than four terms (counting
equivalent summer work) before he will be recommended by the