182 DISEASES OF POULTRY. 



this mixture may be introduced into the nasal pas - 



sages with a small feather. 



In case the larvae of the Coleoptera attack the young 



pigeons, the houses should be cleaned as thoroughly 



as possible, in the manner which has been specified, 



and the nests and floor 

 should be strewn with a 

 mixture of equal parts of 

 pine sawdust and sand. 



When the Argas or pigeon 

 tick is introduced upon a 

 premises it must be de- 

 stroyed by every possible 

 means. The ticks should be 

 carefully picked from the 

 birds so that the head (ros- 

 ms.'>(>.-Dermanyssu.': galling, trum) wiU uot be left iu the 



(Red mite.) Mairnified 75 , t^, , , ■, , 



diameters. Under surface. WOUUd. They ShOUld then 



be crushed or burned. The infested pigeon -cotes 

 should be thoroughly cleaned, scalded and white- 

 washed. Insecticide powder should be freely used 

 upon the birds and nests. 



The harvest bug may be destroyed and kept away 

 from fowls if creolin, carbolic or sulphur ointment is 

 freely used upon the birds. 



The E/>idermopies are combated with creolin dips, 

 and sulphur ointment. 



The mites which live in the air sacs and connective 

 tissue can not be reached by any kind of medication. 

 They can only be eradicated from the flock by con- 

 stant attention to all the details necessary to ensure 

 cleanliness, by killing affected birds and by burning 

 their carcasses. 



