PART XVII—BEQUESTS WITH DIRECTIONS AS TO APPLICATION OR ENJOYMENT. 125. Direction that fund be employed in particular manner. 126. Direction that mode of enjoyment of absolute bequest is to be restricted. 127. Bequest of fund for certain purposes, some of which cannot be fulfilled. PART XVIII—BEQUESTS TO AN EXECUTOR. 128. Legacy to executor. PART XIX—SPECIFIC LEGACIES. 129. Specific legacy defined. 130. Bequest of sum certain where stocks, etc. in which invested are described. 131. Bequest of stock where testator had equal or greater amount of stock of same kind. 132. Bequest of money where payment postponed in certain way. 133. When enumerated articles not deemed specifically bequeathed. 134. Retention of specific bequest to several persons in succession. 135. Sale and investment of proceeds of property bequeathed to two or more persons in succession. 136. Nonabatement of specific legacies. PART XX—DEMONSTRATIVE LEGACIES. 137. Demonstrative legacies. 138. Order of payment when legacy directed to be paid out of a fund specifically bequeathed. PART XXI—ADEMPTION OF LEGACIES. 139. Ademption defined. 140. Nonademption of demonstrative legacy. 141. Ademption of specific bequest of right to receive something from third party. 142. Ademption pro tanto by testator’s receipt of part of entire thing specifically bequeathed.