Total and constructive total losses. War losses Definition — Constructive Total Loss — Adjustment May be Simple — Assured Must Endeavor to Preserve Property — When Is a Thing Lost? — When Does a Constructive Total Loss Occur — American and English Practice Differs — Abandonment — Tender of Abandon ment — Validity of Abandonment — Tender Must be Promptly Made — Acceptance of Abandonment — Effect of Acceptance Abandonment May be Deferred by Mutual Consent — Assignment Dates from Time of Loss — Abandonment of Vessel Involves Freight — No Abandonment if Loss Not Due to Insured Peril Total and Constructive Total Loss of Vessel — Total Loss of Cargo — Total Loss of Freight — Proximate Cause — War Losses. Missing Vessels — Presumption of Cause of Loss — Perplexing Problems Doubtful Cases — The Right of Subrogation — Salvage — Carrier's Liability — Carriers Slow to Respond for Losses — Benefit of In surance Clauses — Loan Receipts.