FACULTY OF SCIENCE, OSAKA UNIVW?SITY

        NAKANOSHIMA. OSAKA, JAPAN.

CERTIFICATE

~lovembsr 24, 1958

I, undersigned ISAMI IITTA, hereby certify that

Xr.Tulcinori Hirok

had obtained his Degree of Doctor of Science on nPrch 25,
1958 from Osaka University, after finishing his Doctor's

course, Department of Science, Graduate School.   HiS

Specialized course was Physiology.

Dean of the Graduatk School
of Science

Osaka University

Osaka, Japan

No.