ON DEMODEX PHYLLOIDES. 281 
Fic. 10.—Female, dorsal aspect—the branched tubes are tracheal; the 
median reniform bodies hearts. 
Fig. 11.—Appendages and skeleton of head: 
md —= mandibles ; 
mal == maxillae ; 
pl = pedipalpi; 
oc —ocollt': 
Ghee ligula; 
pie phary ux 
de = openings of glands ; 
st = sternum ; 
ep = epimera ; 
Cx) == COXxa ; 
0 —s lola. 
tar = tarsus. 
Fie. 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. 
