the public regarding the ideals of eugenics, by the encourage- 

 ment of marriage between individuals above the average 

 physically, mentally, and morally, by the reduction of in- 

 fant mortality, and by financial aid to parents toward the 

 support of their children. 



"The idea of selection for parenthood as determining 

 the nature, fate and worth of living races is Darwin's chief 

 contribution to thought, and finds in Eugenics its supreme 

 application" (Saleeby). 



1. Discuss the selective action of war, social regula- 

 tions and customs regarding marriage, and disease "which 

 may improve or impair the inborn qualities of future genera- 

 tions either physically or mentally." 



2. Discuss the probable causes of the declining birth- 

 rate in most countries. 



3. Discuss the statement , ' Education is nothing more 

 than the giving or withholding of opportunity.' 



4. Discuss the question of inter-racial marriages from 

 an eugenic standpoint. 



5. Discuss "Human Conservation". 



6. Is school instruction in sex problems and sex hy- 

 giene advisable? (Read Bigelow's Sex Education). 



7. "The lessons which the Eugenist seeks to enforce 

 are written in flame across every page of zoology: the wiping 

 out of less perfectly developed and less adaptive tribes by 

 better equipped ones is going on daily under our very eyes" 

 (McBride). Discuss. 



Chapter 20 — IMPORTANT EVENTS IN THE 

 HISTORY OF GENETICS 



333 B.C. Aristotle observes the chick in the shell, and 

 V states definite views regarding embryology 

 in "De Generatione Animalium." 



1660. Robert Hook discovers the cellular structure of 



plants. 



1672. Malpighi describes the development of the 



chick. 



1677. Leeuwenhoek discovers spermatozoa. 



1694. Camerarius discovers sex in plants. 



1719 Fairchild crosses plants artificially— "Fair- 



child's Sweet William." 



171 



