DISEASES OF POULTRY. 



139 



vealed au enormous enlars:emeut of the two kidneys, 

 and upon cutting across these organs there were seen 



numerous black points, 

 each representing a small 

 interstitial hemorrhage. 

 The disease has, also 

 been observed by Larch - 

 er, Semmer, and others. 

 It is often seen with 

 I)ullets. The affected 

 birds stop growing, lose 

 their appetite, become 

 thin, with improperly 

 developed feathers and 

 roughened plumage. The 

 kidnej'S are found two 

 or three times their nor- 

 mal size, of a grayish 

 color and more firm than 

 in health. ^Microscopic 

 examination has reveal- 

 ed the existence of min- 

 ute organisms , and Sem- 

 mer thinks that the dis- 

 ease might be caused by 

 toxic fungi contained in 



Fitr 31.— Reproductive orpans of the the food. 

 •cock: <7, «, ti'siicles; />, />, epidid v mis; i, 



<•, vas deferens: <(', cloaca; <i" bursa of Al?SCi:SS 0\- TUV. KID- 

 Fabricius; <•', e', papiU;e throutrh which 



the vas deferens open;/, niartrin of NEVS. 



anus. 



A case of this disease 

 was observed ])y Megnin in a small cage bird. The 

 kidney was found to contain a yellow nodule formed 

 by dried pus. No other sign of disease was discover- 

 ed. The bird had been ill for a month ])Ut coutin- 



