ACTIVITIES REPORT 
REGISTRY OF TUMORS IN LOWER ANIMALS: 1978 SUPPLEMENT 
JOHN C. HARSHBARGER, DIRECTOR 
PREPARED FOR DISTRIBUTION BY: 
REGISTRY OF TUMORS IN LOWER ANIMALS 
NATIONAL MUSEUM OF NATURAL HISTORY 
ROOM W216-A 
SMITHSONIAN INSTITUTION 
WASHINGTON, D.C. 20560 
Ml Z 1987 
