This Supplement is filed pursuant to Rule 497(d) with regard to
Government Securities Income Fund Monthly Payment U.S. Treasury Series-26
Defined Asset Funds
The text of the supplement to the Prospectus dated November 13, 1996
is as follows:
Supplement dated June 27, 1997
to Prospectus dated November 13, 1996, of
Government Securities Income Fund
Monthly Payment U.S. Treasury Series-26
Defined Asset Funds
_______________________________________________
Effective immediately, the following replaces the
Initial Offering Period Sales Charge Schedule applicable to this
Series in Appendix A (the Secondary Market Sales Charge Schedule
remains unchanged).
<TABLE>
<CAPTION>
Sales Charge
(Gross Underwriting Profit)
------------------------------
As Percent of Dealer Concession
Offer Side Public As Percent of as Percent of Public Primary Market
Amount Invested Net Amount Concession to
Offering Price Invested Offering Price Introducing Dealers
- ----------------------- -------------- ------------- ----------------- -------------------
<S> <C> <C> <C> <C>
Less than $1,000,000... 1.25% 1.266% 0.813% 0.900%
$1,000,000 or more..... 1.00 1.010 0.650 0.720
<TABLE
In addition, the reinvestment option discussed in this Prospectus does not apply.
15380-11/96
</TABLE>
