32 CARNEGIE INSTITUTION OF WASHINGTON. 



Willis, H. S. See Smith, D. T. 

 Wilson, H. A. See Notes, A. A. 

 Wilson, J. L. Tolerance and acquired tolerance of the mesenchyme cells in tissue-cultures for 



copper sulphate and sodium arsenite. Johns Hopkins Hosp. Bull., vol. 33 (1921). 

 Wilson, Ralph E. The proper-motions of 154 red stars. Astron. Jour., vol. 34, 23 (1922). 

 . Differential refraction in positional astronomy: A review. Pop. Astron., vol. 30, 343 



(1922). 



See Boss, Benjamin. 



Wislocki, G. B. Note on the behavior of trypan blue injected into the developing egg of the hen. 



Anat. Rec, vol. 22, 267-274 (1921). 

 . Note on a modification of the chromaffin reaction, with observations on the occurrence 



of abdominal chromaffin bodies in mammals. Johns Hopkins Hosp. Bull., vol. 33 (1922). 

 and S. J. Crowe. Note on the abdominal chromaffin body in dogs. Johns Hopkins 



Hosp. Bull., vol. 33 (1922). 

 Wood, H. O. A list of seismologic stations of the world. Bull. Nat. Res. Coun., vol. 2, pt. 7, 



No. 15 (1921). 

 . The tectonic aspect of volcanic eruption in Hawaii. Spec. Pub. Bernice P. Bishop Mus., 



No. 7, 346-353 (1921). 

 . "Regional" versus "World" seismology in relation to the Pacific basin. Spec. Pub. 



Bernice P. Bishop Mus., No. 7, 378-391 (1921). 



Some considerations touching on isostasy. Bui. Geol. Soc. Amer., vol. 33, 303-316 



(June 30, 1922). 

 Wyckoff, Ralph W. G. The crystallographic and atomic symmetries of ammonium chloride. 



Amer. Jour. Sci., vol. 3, 177-183 (1922). 



. The crystal structure of silver oxide (Ag 2 0). Amer. Jour. Sci., vol. 3, 184-188 (1922). 



. The crystal structures of the alkali halides: I. Jour. Wash. Acad. Sci., vol. 11, 429-434 



(1921). 

 . The determination of the space-group of a cubic crystal. Amer. Jour. Sci., vol. 4, 



175-187 (1922). 

 . The crystal structures of the hexammoniates of the nickel halides. Jour. Amer. Chem. 



Soc, vol. 44, 1239-1245 (June 1922). (Contribution from the Gates Chemical Laboratory 



of the California Institute of Technology, No. 12.; 

 . The composition and crystal structure of nickel nitrate hexammoniate. Jour. Amer. 



Chem. Soc, vol. 44, 1260-1265 (1922). (Contribution from the Gates Chemical Laboratory 



of the California Institute of Technology, No. 14.) 

 . The symmetry and crystal structure of zinc bromate hexahydrate, Zn(BrC>3)2. 



6H 2 0. Amer. Jour. Sci., vol. 4, 188-192 (1922). (Contribution from the Gates Chemical 



Laboratory of the California Institute of Technology, No. 16.) 

 . On the symmetry and crystal structure of sodium hydrogen acetate, NaH ^2^02)2- 



Amer. Jour. Sci., vol. 4, 193-198 (1922). (Contribution from the Gates Chemical Labora- 

 tory of the California Institute of Technology, No. 17.) 

 . The crystal structure of silver molybdate. Jour. Amer. Chem. Soc, vol. 44, 1994- 



1998 (1922). (Contribution from the Gates Chemical Laboratory of the California Institute 



of Technology, No. 18.) 



and Eugen Posnjak. The crystal structures of ammonium chloroplatinate. Jour. Amer. 



Chem. Soc, vol. 43, 2292-2309 (1921). 

 — , . The crystal structure of the cuprous halides. Jour. Amer. Chem. Soc, vol. 44, 



30-36 (1922). 

 — . See Posnjak, Eugen. 



