First Class, or "Parlor Houses."--Luxury.--Semi-refinement.-- Rate of Board.--Dress.--Money.--Lavish Extravagance.-- Instance of Economy.--Means of Amusement.--House-keepers.-- Rents.--Estimated Receipts.--Management of Houses.--Assumed Respectability.--Consequences of Exactions from Prostitutes.-- Affection for Lovers.--Second Class Houses.--Street-walkers.-- Drunkenness.--Syphilitic Infection.--Third Class Houses.-- Germans.--Sailors.-Ball-rooms.--Intoxication.--Fourth Class Houses.--Repulsive Features.--Visitors.--Action of the Police.--First Class Houses of Assignation.--Secrecy and Exclusiveness.--Keepers.--Arrangements.--Visitors.--Origin of some Houses of Assignation.--Prevalence of Intrigue.--Foreign Manners.--Effects of Travel.--Dress.--Second Class Houses.-- Visitors.--Prostitutes.--Arrangements.--Wine and Liquor.-- Third Class Houses.--Kept Mistresses.--Sewing and Shop Girls.--Disease.--Fourth Class Houses.--"Panel Houses." 549 CHAPTER XXXVI. NEW YORK.--EXTENT, EFFECTS, AND COST OF PROSTITUTION. Number of Public Prostitutes.--Opinion of Chief of Police in 1856.--Effects on Prostitution of Commercial Panic of 1857.-- Extravagant Surmises.--Police Investigation of May, 1858.-- Private Prostitutes.--Aggregate Prostitution.--Visitors from the Suburbs of New York.--Strangers.--Proportion of Prostitutes to Population.--Syphilis.--Danger of Infection.-- Increase of Venereal Disease.--Statistics of Cases treated in ISLAND HOSPITAL, BLACKWELL'S ISLAND.--Primary Syphilis and its Indications.--Cases of Venereal Disease in Public Institutions.--Alms-house.--Work-house.--Penitentiary.--Bellevue Hospital.--Nursery Hospital, Randall's Island.--Emigrants' Hospital, Ward's Island.--New York City Hospital.-- Dispensaries.--Medical Colleges.--King's County Hospital.-- Brooklyn City Hospital.--Seamen's Retreat, Staten Island.-- Summary of Cases treated in Public Institutions.--Private Treatment.--Advertisers.--Patent Medicines.--Drug-stores.-- Aggregate of Venereal Disease.--Probabilities of Infection.-- Cost of Prostitution.--Capital invested in Houses of Prostitution and Assignation, Dancing-saloons, etc.--Income of Prostitutes.--Individual Expenses of Visitors.--Medical Expenses.--Vagrancy and Pauper Expenses.--Police and Judiciary Expenses.--Correspondence with leading Cities of the United States.--Estimated Prostitution throughout the Union.--Remarks on "Tait's _Prostitution in Edinburgh_."-- Unfounded Estimates.--National Statistics of Population, Births, Education, Occupation, Wages, Pauperism, Crime, Breweries and Distilleries, and Nativities. 575 CHAPTER XXXVII. NEW YORK.--REMEDIAL MEASURES.