Details
Link to full letter in the Library of Congress collection in box below.
Excerpt included by Online Library of Liberty transcription (from Farrand): 24th. May 1787. Entre nous. I believe the Eastern people have taken ground they will not depart from respecting the Convention. — One legislature composed of a lower-house tri ennially elected and an Executive & Senate for a good number of years. — I shall see Gerry & Johnson, as they pass & may perhaps give you a hint.
http://oll.libertyfund.org/titles/1787#Farrand_0544-03_70