Date of Award

Summer 1951

Degree Type

Thesis - Restricted

Degree Name

Master of Science (MS)

Department

Biology

First Advisor

Saunders, John W.

Second Advisor

O'Brien, John P.

Abstract

This paper attempts to localize, in general, the areas in the leg-bud of the 3-4 day embryonic chick which give rise to the future leg-parts. In addition, it hints at the presence of a zone of apical growth in the tip of the leg-bud by virtue of the progressive laying-down of future leg-parts in the apex of the bud and the subsequent elongation of these parts. In so doing it is essentially a continuation, in part, of the work of Saunders ('48) on the proximo-distal sequence of origin of the parts of the chick wing.

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