1．INTRODUCTION

2．THE HISTORICAL BACKGROUND，1620-1928

A Colonial Marketplace，1620-1820

The Empire City，1820-1870

Industrial Metropolis，1870-1928

3．THE NEWEST IMMIGRANTS

4．PATTERNS OF ADJUSTMENT

5．FORMS OF SOCIAL ACTION

6．CONCLUSION

APPENDIX：Motives for Negro Migration to the Suburbs

TABLES

1．Estimated Population of New York，1656-1786

2．Population of New York City，1790-1820

3．Population of New York City，1820-1870

4．Negro Population，Slave and Free，New York State，1790-1860

5．Colored Population of New York City，1860

6．White Population of New York City，1860

7．Population of New York City，1870-1950

8．Population of New York City and Vicinity，by Color and Place of Birth，1910

9．Commuters Carried Daily by Leading Railroads，1929

10．Foreign White Stock in New York City，1940

11．Alien Address Reports Received from New York City，1958

12．Percentage of Negroes in the Population of New York State，1790-1910

13．Native Negro Population

14．Negro Population of the Large Municipalities other than New York City in the New York Metropolitan Region，1910，1950

15．New York State Native Negro Population，by Nativity，1910

16．Foreign-born Negroes，United States，1850-1910

17．Rate of Increase of Puerto Rico＇s Population，1887-1956

18．Population of Puerto Rico，1860-1956

19．Net Puerto Rican Migration to the Continental United States

20．Puerto Rican Population of Continental United States，1940-1956

21．Puerto Rican Migration to New York City，1950-1956

22．Puerto Rican Population of New York City，1940-1956

23．Negroes in the United States，Percentage Increase in Preceding Decade，1800-1910

24．Percentage of Public Elementary and High School Students，by Ethnic Groups，1957

25．Distribution of Puerto Rican and Foreign-born Pupils，by Borough and Total，October 31，1956

26．Comparison of Census Summaries of 1955 and 1956，Puerto Ricans and Foreign-born，New York City Public Schools

27．Assembly Districts in New York City，1910，with More than 5 Per Cent Negroes

28．New Jersey Wards with More than 5 Per Cent Negroes，1910

29．Percentage of Public Housing in New York City Occupied by Negroes

30．Occupants of Public Housing，by Ethnic Groups，March 1957

31．Puerto Rican Population，by Boroughs，1956

NOTES

INDEX