70 
the coastal region from oe to Saint peudbes and 
thence to the Halifax River is not accesible by motor-car, we 
plan to investigate it at as early a a as posible we = 
Joun K. Sat 
PLANT CANCERS 
Much interest has recently been aroused by the statement 
statement was the well known crown gall, which eet che 
so-called cancers, or ie tumors, on many kinds of plants. 
It attacks especially sensi of the apple and plum families, 
including peaches, plums, apples and pears, but also attacks 
roses, daisies, and castor i and is frequently very destructive 
plant, but a 
the oe of the ground, whence arose the common name crown 
is important disease has been known to botanists for 
nearly a century, and, because of its pears character, has 
c 
modern methods of oo technique it can be 
baie ae used to inoculate plant: 
s of crown gall have been in progress at the Botanical 
ee te: several months, and good specimens of these ‘ sl 
ancers”’ may Te seen at propagating house growing o: 
yllu 
pp 
newed energy in the search for a causal organism of cancer. 
So far this search ay been unsuccessful, but it is possible that 
extensive study or the crown gall and other plant tumors may 
prove helpful in ihe effort to discover the cause of human cancer. 
Met. T. Coox. 
