External Parasites 



223 



Fig. 45. - 



- Section of the skin of the leg of a fowl affected with scaly leg. 



Papilla with pigment cells. 



Lymphatic tissue in the papilla. 



Epidermis : stratum profundum. 



Epidermis : stratum corneum. 



Section through a mite. 



Section through a mite showing head and 2 pairs of legs. 



Young mite. 



Cavity excavated by mites. 



Excrement of mite. 



Horny layer between the mite excavations. 



(From Haiduk, after Olt.) 



