28 



The Journal of Heredity 



"From Table V it is seen that 65 

 per cent of the children produced in the 

 Birth Registration Area in 1919 were 

 from American born parents while 

 10 per cent had one parent native born 

 leaving approximately 25 per cent of 

 the total births having both parents 

 foreign born." 



"From one point of view it will be 

 regarded as alarming that but 65 per 

 cent of the children born in this country 

 have both parents native born. But, 

 on the other hand, as the figures show, 

 the proportion having both parents 

 native born is overwhelmingly larger 

 than that for any other mating." 



It is apparent also that of all the 

 foreign races just three groups amalga- 

 mate with native stock more frequently 

 than with self. These groups are Can- 

 ada; England-Scotland-Wales; and 

 Germany. Contrary to expectation the 

 foreign-born Irish marry amongst 

 themselves approximately three times 

 as often as they marry any other race 

 including natives. 



The following table shows the extent 

 to which foreign-born immigrants 

 marry within their race as compared 

 with the marriages they make with 

 native stock. Marriages in this case 

 meaning biologically effective matings. 

 % Pure % Crossed 

 Bred with native 

 Austria 81.0 12.0 



Hungary 88.0 7.7 



Canada 40.0 54.7 



Denmark-Norway-Sweden 51.7 43.0 



England-Scotland-Wales 33.3 52.5 



Ireland 72.5 22.8 



Germany 33.2 55.0 



Italy 85.0 13.0 



Poland 82.0 13.0 



Russia 78.0 12.0 



From this table it is seen that the 

 race which fuses most readily with the 

 native stock is the German while curi- 

 ously enough only 22.8 per cent of the 

 Irish amalgamate with native-born 

 stock. 



Not content with having exposed the 

 fallacy of the general belief that immi- 

 grants do not amalgamate with the 

 native stock Dr. Pearl disposes also of 

 that other general opinion that the 

 new arrivals would be better off on the 

 farm. 



"The native population has a lower 

 vital index [100 birth s-f- deaths] in the 

 cities than in rural districts; the foreign 

 population shows the reverse relation, 

 the higher index being for city popula- 

 tions." "By and large, and with all 

 factors included, as they are in the 

 vital index, it appears that the foreign 

 population, as it is actually constituted 

 in the Birth Registration Area in re- 

 spect of age, etc., is a biologically fitter 

 population in the cities than is the 

 native; while the native population is 

 better under rural conditions." 



From the standpoint of the negro 

 problem the following conclusions are 

 of interest: "Indeed one may say 

 generally that, except in the rural 

 districts of the southern states, practi- 

 cally never does the vital index of the 

 negro populations rise to a value of as 

 much as 100. But plainly enough any 

 population with a vital index under 100 

 is a dying population. Such a popula- 

 tion is bound, in the fullness of time, to 

 disappear completely, if nothing what- 

 ever is done about the case. Nowhere 

 in cities, even in the southern cities, 

 does the value of the negro vital index 

 get to 100 in a fairly normal year such 

 as 1917." 



"Even in rural portions of the Birth 

 Registration Area the negro index does 

 not approach in magnitude the total 

 white index nor the native white index 

 for the same communities. This is 

 true in southern states as well as in 

 northern. It would be difficult to find 

 a more complete and critical demon- 

 stration than that furnished by these 

 indices of the fact that the negro is 

 biologically a less fit animal, in the 

 American environment physical, social 

 and general than the white. Under con- 

 ditions as they are, Nature, by the slow 

 but dreadfully sure processes of biologi- 

 cal evolution, is apparently solving the 

 negro problem in the United States, in 

 a manner which, when finished, will be 

 like all of Nature's solutions, final, 

 complete and absolutely definite." 



The solution of the population problem 

 is believed to lie in a policy of periodic 

 immigration. "F>om the standpoint 

 of quality of the population in respect 



