434 Scientific Proceedings, Royal Dublin Society. 



Wells, R. C, 1915. — The solubility of calcite in water in contact with the 

 atmosphere and its variation with temperature. J. Wash. Acad. Sci., 

 5, 617. 

 Wherry, E. T., 1916. — A chemical study of the habitat of the walking fern, 

 C'amptosorus rhizophyllus (L) Link. J. Wash. Acad. Sci., 6, 

 672-679. 

 1918.— The reactions of soils supporting the growth of certain 

 native orchids. Loc. cit., 8, 393-396. 

 „ 1919. — The statement of acidity and alkalinity with special refer- 

 ence to soils. Zoc. cit., 9, 305-309. 

 1920. — Determining soil acidity and alkalinity by indicators in the 

 field. Zoc. cit., 10, 217-223. 

 „ 1920. — Observations on the soil acidity of Ericaceae and associated 

 plants in the Middle Atlantic States. Proc. Acad. Nat. Sci., 

 Philadelphia, 72, 84-112. 

 1920.— Correlation between vegetation and soil acidity in Southern 

 New Jersey. Zoc. cit., 72, 113-119. 

 „ 1920. — Plant distribution around salt marshes in relation to soil 



acidity. Ecology, 1, 42-48. 

 „ 1920. — Soil acidity and a field method for its measurement. 



Ecology, 1, 160-173. 

 „ 1920. — The soil reactions of certain rock ferns. Amer. Fern. J., 



Pt. I & II, 10, 15 and 45. 

 ,, 1920. — Soil tests of Ericaceae and other reaction-sensitive families 

 in Northern Vermont and New Hampshire. Ehodora, J. New 

 Eng. Bot. Club, 22, 33. 

 ZOLLEK, H. ¥., 1921.— Casein viscosity studies. J. Gen. Physiol., 3, 635. 



