Hygienic Laboratory, Bulletin 46. 
Plate XV. 
A MITE CONTAINING 3 LARGE CYSTS, WHICH HAS BEEN 
GENTLY CRUSHED IN SALT SOLUTION BETWEEN SLIDE 
AND COVER SLIP. SHOWING EXTRUSION OF A LARGE 
CYST CONTAINING MANY SPOROCYSTS; AND MANY FREE 
SPOROCYSTS. FRESH PREPARATION. SEMIDIAGRAM- 
MATIC. 
