Exhibit 99.31

MBNA MASTER CREDIT CARD TRUST II

SERIES 1997-N

KEY PERFORMANCE FACTORS
August 31, 1999



Expected B Maturity 11/15/00


Blended Coupon 5.5499%


Excess Protection Level
3 Month Average 5.82%
August, 1999 5.85%
July, 1999 6.33%
June, 1999 5.28%


Cash Yield 18.20%


Investor Charge Offs 4.78%


Base Rate 7.58%


Over 30 Day Delinquency 4.81%


Seller's Interest 7.19%


Total Payment Rate 14.37%


Total Principal Balance $46,158,397,644.87


Investor Participation Amount $900,000,000.00


Seller Participation Amount $3,316,578,126.38