ON DEMODEX PHYLLOIDES. 281 



Fig. 10. — Female, dorsal aspect — the branched tubes are tracheal ; the 

 median reniform bodies hearts. 



Fig. 11. — Appendages and skeleton of head : 

 mcl — - mandibles ; 

 mxl = maxillae ; 





pl = pedipalpi ; 





oc — ocelli ; 





Ig = ligula ; 





ph ■- — pharynx ; 





dc = openings of glands ; 





st = sternum ; 





ep = epimera ; 





ex = coxa ; 





lib = tibia ; 





tar = tarsus. 



Fig. 12.- 



—Section of skin of pig, with sebaceous gland filled with mites ; 





incipient inflammation. 



Figs. 1, 2, 3, 4, 5, 6, were drawn with Hart oc. 2, obj. 8. 

 Figs. 7, 8, 9, 10 with oc. 2, obj. 7. 

 Fig. 11, oc. 6, obj. 11. 

 Fig. 12, oc. 3, obj. 4. 



