Bul. 380, U. S. Dept. of Agriculture. PLaTe XVIII. 
ENDOTHIA PARASITICA ON PLATE CULTURES OF CoRN-MEAL AGAR 4 WEEksS OLD. 
THE UPPER PLATE Was KEPT IN TOTAL DARKNESS; THE LOWER PLATE IN THE 
Direct LIGHT OF A NorRTH WINDow. 
