New Publications 



397 



than it is expected. This lack could be 

 explained by the hypothesis that the 

 gametes containing be are not as active 

 in the fertilization process as those 

 which contain B or E or both. 



EYE, FOOT-PAD', AND NOSE COLORS 



While we do not have complete 

 records of the eye, foot-pad and nose 

 colors, there are a few general observa- 

 tions which it seems well to add here 

 for the sake of calling attention to the 

 association of these colors. 



The eye colors of Cockers range from 

 black through various shades of brown 

 to yellow. The eye color is not neces- 

 sarily correlated with the coat color, or 

 the color of the nose and foot-pads, 

 except in the case of liver colored 

 individuals where the eye is usually not 

 darker than the coat, and is commonly 

 much lighter. A black or red dog may 



have black, brown or yellow eyes. As 

 far as our records go they show that the 

 darker colors are epistatic to the lighter 

 ones. 



The nose color is always the same as 

 the color of the foot pads. Black dogs 

 always have black noses, while red dogs 

 may have black or brown noses and 

 foot pads, and may also have black 

 spots on the skin which are not associ- 

 ated with colored spots in the coat. 

 Lemon colored dogs may have the nose 

 and foot pads black, brown, or a 

 dusky pink. Chocolate colored dogs 

 always have chocolate nose and foot 

 pads. It is clear that the red animal can 

 produce black pigment in the skin and 

 eye but not in the hair, while the 

 chocolate or liver colored individual 

 can produce no black either in the eye 

 or skin. 



NEW PUBLICATIONS 



THE NEXT GENERATION, by Frederick A. Rhodes, Chairman of the Morals Efficiency 

 Committee of Pittsburgh. Pp. 290, price $1.50 net. Boston, Richard G. Badger, 1915. 



Dr. Rhodes has attempted to test a great many social problems by the principles 

 of biology, but his book bears the evidence of being hastily put together from news- 

 paper articles, and is not likely to take rank as a serious contribution to eugenics. 

 Although its scope and general attitude toward race betterment are admirable, the 

 work is marred by a great many errors of fact, and a tendency to substitute quoted 

 opinions of other people for reports of research. It is easy reading, however, and 

 may lead students of the wide range of problems on which he touches to desire 

 further knowledge of what biology has to offer them ; in this case it will perform a 

 real service. 



Improving the Chile Pepper 



The chile pepper {Capsicum annuum), so much relished by Mexicans, is the object 

 of attention at the New Mexico Agricultural Experiment Station, where for the last 

 five years it has been improved by selection for larger, smoother, fleshier pods and 

 freedom from blight. Three good strains have been perpetuated from the fifteen 

 with which the experiment started. 



Studies in Correlation 



Correlation is the principal concern of breeding studies, at the Montana Agri- 

 cultural Experiment Station, the characters of plants being measured in comparison 

 with those of their parents. Practical breeding of various cereals is also being done. 



