2. In general the assignor can limit the operation of his assignment, and impose whatever condition he may think proper, but when he makes a general assignment in trust for the use of his creditors, he can impose no condition whatever which will deprive them of any right; 14 Pick. 123; 15 John. 151; 7 Cowen, 735; 5 Cowen, 547 20 John. 442; 2 Pick. 129; nor any condition forbidden by law; as giving preference when the law forbids it.
3. Ad assignor may legally choose his own trustees. 1 Binn. 514.