UNIVERSITY OF FLORIDA Between the qualifying examination and the conferring of the degree there must elapse a minimum interval of one academic year in full-time residence, or one full calendar year. If the student fails in his qualifying examination, he will not be given another op- portunity unless for special reasons a re-examination is recommended by his special supervisory committee and approved by the Graduate Council. Dissertation.-A satisfactory dissertation showing independent investigation and re- search is required of all candidates. Two typewritten copies of this dissertation must be presented to the Dean on or before the date specified in the University Calendar. Printing of Dissertation.-One hundred printed copies of the dissertation must be presented to the University within two years after the conferring of the degree. Re- prints from reputable journals may be accepted upon the recommendation of the special supervisory committee. After the dissertation has been accepted, the candidate must deposit with the Business Manager, not later than one week before the degree is con- ferred, the sum of $50 as a pledge that the dissertation will be published within the prescribed time. This sum will be returned if the printed copies are received within two years. Final Examination.-After the acceptance of the dissertation and the completion of all other prescribed work of the candidate, but in no case earlier than sixty days before the conferring of the degree, the candidate will be given a final examination, oral or written or both, by his special supervisory committee. SPECIAL PROGRAMS Cancer Research The courses, seminars and research problems of the Cancer Research Laboratory will coordinate the knowledge the student acquires in basic or special courses and focus it on the cancer problem. The several options listed in Part 2 are to develop special skills in one or more fields as well as to supply perspective and develop critical judgment. Twenty-four semester hours are required for the Master's Degree. At least 12 of these must be in the courses listed in Part 1. At least 6 hours should be in a related minor field (Group A, B, or C of Part 2). A reading knowledge of German is required. In addition to the course work, the student will be required to prepare and present a thesis acceptable to the Supervisory Committee. For the degree Doctor of Philosophy the courses listed below in Part 1 must be completed and 24 credits chosen from one of the groups or 12 credits in each of two groups in Part 2. The candidate must present a thesis in Cancer research that repre- sents an original contribution to the knowledge of the subject. In addition, he must prepare the essential material of his thesis in a form suitable for publication in a standard scientific journal. A reading knowledge of French and German is required. Part 1. CY. 560.-Chemistry of Dyes and Vital Stains. 3 credits. CY. 561.-Chemical Carcinogenesis. 3 credits. CY. 562.-The Biochemistry of Cancer. 3 credits. CY. 565-566.-Cancer Seminars. 3 credits each. CY. 581.-Research in Cancer. Variable credit. See BLY. 581.