Referee report by F. Sibson on 'Physiological Anatomy of the Lungs' by J. N. Heale

                                is returned by the bronchial veins. p.43
This is one of the main features of Dr. Heale’s 
paper as well as one of the most important 
differences between himself and other 
observers.
In proof of this view he refers to his 
<s>numerous <\s> numerous injections of the bronchial artery & of 
the Pulmonary vessels, in all of which the 
injection was limited respectively to the bronchi-
al & pulmonary systems of blood vessels 
I have examined carefully the injection 
sent by Dr. Heale & I can confirm the 
accuracy of his statement that in those 
preparations the injection from the 
bronchial artery has not penetrated to the 
pulmonary vessels, or vice versa. I can 
also vouch for the accuracy of his statement 
that in the preparation from which drawing 
B no 5 was taken the injection passed from 
the bronchial arteries to the bronchial veins 
on the surface of the lungs.
In making these preparations Dr 
Heale employed a peculiar apparatus 
by which the injection was made with 
gentle, steady and long continued prepara