IntTRODUCTION 
EXPLANATION OF THE PLATES. 
TROMBIDIDZ 
ACTINEDIDE 
TETRANYCHID” 
° 
HypRACHNIDA& 
BpvELLIDA . 
Evpopip”. 
Ixopip#& 
ORIBATIDA 
NICOLETIELLID® 
GAMASIDE . 
SARCOPTIDE 
INDEX 
PLATEs. 
e 
ry 
° 
° 
a 
° 
° 
CONTENTS. 
o 
ry 
