126 CARNEGIE INSTITUTION OF WASHINGTON. 



changed to "conunittee on cacogenic control" of the Eugenics Research 

 Association. Mr. Bleecker Van Wagenen remains as chairman and 

 Dr. H. H. Laughlin as secretary. During the year the society secured 

 and abstracted the case histories of 777 persons who were steriHzed 

 under the several eugenical sterilization State statutes, these being a 

 practically complete record of such operations legally performed. 

 Records of the new sterilization laws of Iowa, Nebraska, California 

 Oregon, Kansas, and South Dakota were secured and annotated for 

 publication. Similarly, accounts of the litigation growing out of the 

 sterilization laws of Iowa, New Jersey, Michigan, New York, Wash- 

 ington, and Nevada were compiled. 



PUBLICATIONS. 



Davenport, Charles B., and Samuel A. Preiser. Neurofibromatosis, Amer. Jour, of Med. 



Sci. (Sept. 1918). 

 , and Mary T. Scudder, Naval officers: Their heredity and development, Carnegie 



Inst. Wash. Pub. No. 259. 

 Laughlin, Harry H. The modification of the 9:3:3:1 ratio, Amer. Nat., 12 pp., 11 diag. 



(June, July, 1918). 

 . Durations of the several mitotic stages in the root-tip of the onion, Carnegie 



Inst. Wash. Pub. No. 265. 



