Proceedings of the Boston Society of Natural History. 
Vol. 29, No. 10, 
pp. 185-215. 
ON A HITHERTO UNRECOGNIZED FORM OF BLOOD CIRCULATION 
WITHOUT CAPILLARIES IN THE ORGANS 
OF VERTEBRATA. 
Bv Charles Sedgwick Minot, LL.D. 
/ 
I 
BOSTON: 
PRINTED FOR THE SOCIETY. 
April, 1900. 
