4fi 



as well. Q^liese c^iuilitions ;ut' iiulicati'd h.v difficult 

 ami rapid brcalhing and, Ziiin «ivs, 1(\ a peculiar tone 

 that is similar to tiiat produced bv fowls wlieu a for- 

 eign body ei.ters tbe windpipe. Otherwise tbe birds 

 seem lively and have a fairly yood appetite. It is only 

 wlieu tbese i>arasites aie present in enormous num- 

 bers that the disease they produce is sufficiently severe 

 as to cause death. 



The treatment of these cases is no't at all satisfac- 

 tory, so that it is cheajier in the end to destroy tbe 

 afflicted fowls than to attempt to cure them. Upon 

 opening a bird that has died of this disease the para- 

 sites can be seen in great abundance in llie jiarfs men- 

 tioned. 



If treatment is attempted the inhalation of tbe vapor 

 of tar or of burning sulphur is as promising as any- 



3. PNEUMONIA CATSEI) BY MOULDS. 



Several varieties of the comniuu moulds that grow so 

 plentifully in dark, damj) places have been known to 

 enter the air passages of fowls, penetrate to the lungs 

 and grow tliere, causing a fatal pneumonia. The 

 moulds that have been discovered in this locality are 

 of three varieties of Aspergillus and one of Mucor. It 

 is probable that they enter the lungs in the form of 

 dust, because their spo7'es are exceedingly small and 

 could readily pass into the lungs in this way. Tlien, 

 if they tind the conditio!\s^ there favorable to their 

 growth they multi])iy and cause little spots of disease 



