530 
PROFESSOR A. H. CHURCH OH TURACIN. 
certain that the chemical and physiological interest belonging to this pigment amply 
warrant its farther and more thorough investigation. 
In conclusion I have to express my thanks to the Royal Society for a handsome 
money grant in aid of the prosecution of this inquiry. My acknowledgments are 
also due to the several friends whose names have been recorded in the present 
paper, especially to Dr. McMunn, whose help in the spectroscopy of turacin has been 
invaluable. 
