

- 



STUDIES ON CHROMOSOMES 



III. THE SEXUAL DIFFERENCES OF THE CHROMO- 

 SOME-GROUPS IN HEMIPTERA, WITH SOME CON- 

 SIDERATIONS ON THE DETERMINATION AND 

 INHERITANCE OF SEX 



By 



EDMUND B. WILSON 



DIVISION OF GENETfCS 



REPRINTED FROM 



THE JOURNAL OF EXPERIMENTAL ZOOLOGY 



Volume III 

 No. 1 



BALTIMORE, MD,, U. S. A. 

 February, 1906 



