This section is from the book "Popular Law Library Vol7 Equity Jurisprudence, Trusts, Equity Pleading", by Albert H. Putney. Also available from Amazon: Popular Law-Dictionary.
Interlocutory bills are bills brought during the progress of the suit on the original suit, and whose object is to add to an original bill by correcting defects or supplying matters necessary to the suit; or to continue the suit if abated; and obtain the benefit of proceedings already had; or for both purposes.
Interlocutory bills include
Bills of revivor and supplement.