ELISHA MITCHELL SCIENTIFIC SOCIETY 54 
flesh and bone, and the last piece of work along that line was 
the examination of human excretory products.” 
The universal distribution of titanium in all forms of living 
and dead matter may now be regarded as settled. While no 
Opinion is hazarded by the writer upon the role played by 
titanium in animal and vegetable growth, it is hoped that 
Dr. Wait’s work will throw some light upon the subject. 
Doubtless had we as delicate and convenient tests for the 
other less common elements we should find their occurrence as 
widespread. ‘Thus the asseverated belief of Hillebrand in the 
universal occurrence of the elements in the earth’s crust is 
extended. 
Titanium was determined by Weller’s well-known method 
as modified by W. A. Noyes, Dunnington, and Hillebrand.* 
THE OCCURENCE OF VANADIUM, CHROMIUM, AND 
TITANIUM IN PEATS.’ 
BY CHARLES BASKERVILLE. 
Attention has been called by Dr. W. F. Hillebrand’ to the 
comparatively wide-spread occurrence of vanadium in a large 
number of minerals and rocks. He states that ‘‘Hayes in 1875 
reported its occurrence in a great variety of rocks and ores, 
Quoting from Thorpe’s ‘Dictionary of Chemistry,’ ‘it is said 
to be diffused with titanium through all primitive granite 
1 Method ascribed to Noyes was previously published by F. W. Clark 
in Silliman’s Journal, 7868. (Letter to writer.) 
2 Read before the North Carolina Section of the American Chemical 
Society at the midwinter meeting. Publ. /. dm. Chem. Soc. 441, 706, 
3 Am. J. Sct., 6, 209 (1898). i 
