See Full Constitution

Section 3. Effect on offices of Senators and Representatives; election

The offices of the present Senators and Representatives shall not be vacated or otherwise affected by this amended Constitution, except that the Senators whose terms do not expire on the day of the next general election shall thereafter represent the districts in which they now reside until the end of the terms for which they were elected.
At the general election to be held in the year one thousand eight hundred and ninety-eight, there shall be elected from each of the even numbered Senatorial Districts in the State, except District number two in New Castle County, District number four in Kent County, and District number two in Sussex County, a Senator for the term of two years, and from each of the odd numbered Senatorial Districts in the State a Senator for the term of four years.
And thereafter, as the said terms shall from time to time expire, a Senator shall be elected from each of the said Senatorial Districts for the full term of four years.
At the general election to be held in the year one thousand eight hundred and ninety-eight, there shall be elected in each Representative District in the State one Representative for the term of two years.