DISEASES OF POULTRY. 271 



than the others, but they remained dwarfea and feeble. 

 There remained six chickens more out of the twenty- 

 three on which he had begun his experiments. The 

 following is what he did with these : — He left them at 

 first with the eleven in the poultry yard till they exhib- 

 ited symptoms, not to be mistaken, of pulmonary con- 

 sumption more or less advanced. He then took them 

 to the place kept at a mild temperature, where, after 

 marking them with bits of stuff tied to their legs, he 

 united them with the six already there. 



Two of these chickens, which would certainly have 

 died the same day or the next, if he had left them in the 

 poultry yard, after having appeared at first to regain a 

 little strength, died, one in about five and the other in 

 about nine days. He found their lungs in a complete 

 state of suppuration or of inflammation. 



The four other chickens regained by degrees their 

 vivacity and vigor, recommenced feeding with a good 

 appetite, and appeared completely re-established in 

 health, and in April, 1827, when he released them all 

 from confinement, they appeared as healthy as those 

 which had never been exposed to the cold. 



Among these four cured chickens were three cocks 

 which he sacrificed to ascertain both what might be the 

 actual state of their lungs and what could have been 

 the state through which these organs had passed during 

 the evident symptoms of phthisis, which he had previ- 

 ously observed them to present — symptoms of which 

 the most immediate and direct is the purulent mat- 

 ter observed to come from the glottis, on drawing 

 the tongue out from the mouth and pressing upon the 

 larynx or the windpipe. 



M. Flourens opened accordingly the chest of the three 

 cocks, and he found in all the three, traces of an old 

 change in the lungs, more or less deep, and now healed. 

 He preserved the hen, which he intended to lay eggs, 

 by means of which he purposed to study the effects 

 which reproduction might have on a pulmonary con- 

 sumption when cured ; but his return to Paris prevent- 

 ed him from putting his design in execution. 



