REPORT OF THE PRESIDENT, 1923. 25 



KoTTERMAN, C. A. Making an automatic focusing enlarger. Photo Miniature, vol. 16, 405-451, 

 figs. (May 1923). 



Latjghlin, H. H. Analysis of the metal and dross in America's modern melting pot in hearings 

 before the Committee on Immigration and Naturalization, House of Representatives, 

 Sixty-seventh Congress, Third Session, Serial 7-C, Govt. Printing Office, 725-831 (1923). 



. Eugenical sterilization in the United States. Psychopathic Laboratory of the Munici- 

 pal Court, Chicago, xxiii4-502 pp. (Dec. 1922). 



Leavenworth, Charles S. See Osborne, Thomas B. 



Lee, F. C. Changes in the number of small lymphocytes of the blood following ligation of the 

 thoracic duct. Jour. Exper. Med., vol. 36, 247-260 (1922). 



. On the deep lymphatic vessels of the liver. Anat. Rec, vol. 25, 110 (1923). 



Leland, Waldo G. The International Congress of Historical Sciences, held at Brussels. Amer. 

 Hist. Rev., vol. 28, 639-655. 



. The Lesueur collection of American sketches. Miss. Valley Hist. Rev., vol. 10, 53-78. 



Lewis, H. R. See Harris, J. Arthur. 



Lewis, M. R. Mitochondria in the visual cells of the fowl. Anat. Rec, vol. 25, 110 (1923). 



. The destruction of Bacillus radicicola by the connective-tissue cells of the chick em- 

 bryo in vitro. Johns Hopkins Hosp. Bull., vol. 34, 223-226 (1923). 



The transformation of mesenchyme into me&othelium in tissue cultures. Anat. Rec, 



vol. 25, 111 (1923). 



Lewis, W. H. Cultivation of heart muscle from chick embryos (4 to 11 days) in Locke-bouillon- 

 dextrose medium. Anat. Rec, vol. 25, 111 (1923). 

 , and C. C. McCoy. The survival of cells after the death of the organism. Johns Hop- 

 kins Hosp. Bull., vol. 33, 284-292 (1922). 

 Little, C. C. The inheritance of a predisposition to cancer in man. Eugenics, Genetics, and 



the Family, vol. 1, pp. 186-190 (1923). 

 , and E. E. Jones. The effect of selection upon a Mendelian ratio. Genetics, vol. 8, 



1-126 (Jan. 1923). 

 Lombard, R. H. See Merwin, H. E. 

 Lowe, E. A. On the date of the Codex Toletanus. (Extract) De la Revue Benedictine, 1-4 



(Oct. 1923). 

 . Professor Lindsay's Palaeographia Latina. (Review) Classical Review, 135, 136 



(Aug.-Sept. 1923). 

 LuNDMARK, Knut. Somc facts and suggestions concerning novse. Pubs. A. S. P., vol. 35, 



95-117 (1923). 

 . The distribution of novse. Read at Williams Bay meeting, Amer. Astron. Soc. (1922) ; 



(abstract) Pubs. Amer. Astron. Soc, vol. 4, 368-369; Pop. Astron., vol. 30, 621-f22, (1922). 

 . Historical note concerning the fundamental equations in stellar statistics. Read at 



Williams Bay meeting, Amer. Astron. Soc. (1922); (abstract) Pubs. Amer. Astron. Soc, 



vol. 4, 371; Pop. Astron., vol. 30, 624 (1922). 

 . The proper motions of spiral nebulae. Read at Williams Bay meeting, Amer. Astron. 



Soc. (1922); (abstract) Pubs. Amer. Astron. Soc, vol. 4, 370; Pop. Astron., vol. 30, 623 



(1922). 



See Hubble, Edwin. 



MacDougal, D. T. Permeability and the increase in volume of contents of living and of 



artificial cells. Proc. Amer. Philos. Soc, vol. 62, 1-26 (1923). 

 MacDowell, E. C. Alcoholism and the behavior of white rats. II: The maze-behavior of 



treated rats and their offspring. Jour. Exper. Zool., vol. 37, No. 5, 417-456 (July 1923). 

 , and J. E. Hubbard. On the absence of isoglutinins in mice. Proc. Soc. Exper. Biol. 



and Med., vol. 20, No. 2, 93-95 (Nov. 1922). 

 Mason, Eleanor D. See Metz, Charles W. 

 Mauchly, S. J. Further results on the diurnal variation of the potential gradient of atmospheric 



electricity, from observations aboard the Carnegie, and comparisons between land and ocean 



results. Phys. Rev., vol. 21, 721-722 (June 1923). 

 . On earth current and polar lights. Bull. Sect. Terr. Mag. Electr., Internat. Geod. 



Geophys. Union, No. 3, 154 (Oct. 1923). 



On the diurnal variation of the potential gradient of atmospheric electricity. Terr. 



Mag., vol. 26, 61-81 (Sept. 1923). 

 McCoy, C. C. See Lewis, W. H. 

 Mendel, Lafayette B. Experimental evidence of the lack of vitamin B in nutrition. Trans. 



Cong. Amer. Physicians and Surgeons, vol. 12, 15-22 (1922). 

 Merrill, Paul W. Stellar spectra of class S. I: General description. Astrophys. Jour., 



vol. 56, 457-474 (1922); Mt. Wilson Contr., No. 252. 

 . The behavior of spectral lines at the positive pole of the metallic arc. Astrophys. 



Jour., vol. 56, 475-482 (1922); Mt. Wilson Contr., No. 253. 



Spectroscopic observations of both components of the variable double star X Ophiuohi. 



Astrophys. Jour., vol. 57, 251-256 (1923); Mt. Wilson Contr., No. 261. 



