INSCRIBED TO MY HONOURED TEACHER 



JOHN CLELAND, M.D., LL.D., D.Sc., F.R.S., 



EMERITUS PROFESSOR OF ANATOMY, GLASGOW UNIVERSITY, 

 NOT LESS IN AFFECTION AND ESTEEM THAN IN ADMIRATION 

 OF HIS DEEP INSIGHT INTO THE PROBLEMS OF TERATOLOGY 

 AND THE LASTING VALUE OF HIS CONTRIBUTIONS TO ITS STUDY 



EMBRTOLOOICAL LABORATORY, 



GLASGOW UNIVERSITY, 



June, 1912. 



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