Original: These are the Diminished seventh chord (found on the 2nd, 4th, 6th and 7th degrees) and the Augmented chord (found on the 3rd, 5th and 7th degrees).
Simplified: These are the diminished seventh chord (2nd, 4th, 6th and 7th degrees) and the augmented chord (the 3rd, 5th and 7th degrees).