56 Mites Injurious to Domestic Animals. 



about ^oz. ; water, 1 gallon.* Dipping of poultry is best done during 

 the summer months, on a warm summer day, so that the fowls will 

 dry quickly. Windy weather should be avoided. The operation 

 should be completed a considerable time before sundown, so as to 

 enable the fowls to become thoroughly dry before going to roost. 

 The dipping should be done in a large tub filled to within six or 

 eight inches of the top. In dipping the fowls it is best to hold the 



FIG. 40. 



Cheyletiella parasitivorax (p. 73). A pseudoparasite of rabbit and 

 domestic cat, x 153. (After Hirst, Ann. Mag. Nat. Hist. xx. 1917.) 



wings over the back with the left hand and quickly submerge the 

 bird in the solution, leaving the head out, while the feathers are 

 thoroughly ruffled with the other hand so as to allow the solution 

 to penetrate to the skin on the different parts of the body. The 

 head is ducked once or twice and the bird is allowed to drain and 

 is then released. It is not necessary to keep the fowl under the 



* See " Mites and Lice on Poultry," by P. C. Bishopp and H. P. Wood, 

 Farmers' Bulletin no. 801, revised edition, 1919, U.S. Dept. of Agriculture. 



